3493157 has 4 divisors (see below), whose sum is σ = 3496896. Its totient is φ = 3489420.

The previous prime is 3493151. The next prime is 3493163. The reversal of 3493157 is 7513943.

It is a happy number.

3493157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 7513943 = 1307 ⋅5749.

It is an interprime number because it is at equal distance from previous prime (3493151) and next prime (3493163).

It is a cyclic number.

It is not a de Polignac number, because 3493157 - 2¹² = 3489061 is a prime.

It is a super-3 number, since 3×3493157³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3493151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 932 + ... + 2802.

It is an arithmetic number, because the mean of its divisors is an integer number (874224).

Almost surely, 2^3493157 is an apocalyptic number.

It is an amenable number.

3493157 is a deficient number, since it is larger than the sum of its proper divisors (3739).

3493157 is a wasteful number, since it uses less digits than its factorization.

3493157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3738.

The product of its digits is 11340, while the sum is 32.

The square root of 3493157 is about 1868.9989299087. The cubic root of 3493157 is about 151.7304346163.

The spelling of 3493157 in words is "three million, four hundred ninety-three thousand, one hundred fifty-seven".