3149797 has 4 divisors (see below), whose sum is σ = 3599776. Its totient is φ = 2699820.

The previous prime is 3149791. The next prime is 3149803. The reversal of 3149797 is 7979413.

3149797 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 an interprime number because it is at equal distance from previous prime (3149791) and next prime (3149803).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149797 is a prime.

It is a super-2 number, since 2×3149797² = 19842442282418, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

3149797 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149791) 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, 224979 + ... + 224992.

It is an arithmetic number, because the mean of its divisors is an integer number (899944).

Almost surely, 2^3149797 is an apocalyptic number.

It is an amenable number.

3149797 is a deficient number, since it is larger than the sum of its proper divisors (449979).

3149797 is an equidigital number, since it uses as much as digits as its factorization.

3149797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449978.

The product of its digits is 47628, while the sum is 40.

The square root of 3149797 is about 1774.7667452372. The cubic root of 3149797 is about 146.5865718558.

The spelling of 3149797 in words is "three million, one hundred forty-nine thousand, seven hundred ninety-seven".