3493257 has 4 divisors (see below), whose sum is σ = 4657680. Its totient is φ = 2328836.

The previous prime is 3493223. The next prime is 3493289. The reversal of 3493257 is 7523943.

It is a happy number.

3493257 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.

It is a cyclic number.

It is not a de Polignac number, because 3493257 - 2⁸ = 3493001 is a prime.

It is a D-number.

3493257 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3493057) 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, 582207 + ... + 582212.

It is an arithmetic number, because the mean of its divisors is an integer number (1164420).

Almost surely, 2^3493257 is an apocalyptic number.

It is an amenable number.

3493257 is a deficient number, since it is larger than the sum of its proper divisors (1164423).

3493257 is a wasteful number, since it uses less digits than its factorization.

3493257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164422.

The product of its digits is 22680, while the sum is 33.

The square root of 3493257 is about 1869.0256820065. The cubic root of 3493257 is about 151.7318824850.

The spelling of 3493257 in words is "three million, four hundred ninety-three thousand, two hundred fifty-seven".