3149957 has 4 divisors (see below), whose sum is σ = 3153516. Its totient is φ = 3146400.

The previous prime is 3149929. The next prime is 3149959. The reversal of 3149957 is 7599413.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 586756 + 2563201 = 766^2 + 1601^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3149957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3149957.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3149959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (788379).

Almost surely, 2^3149957 is an apocalyptic number.

It is an amenable number.

3149957 is a deficient number, since it is larger than the sum of its proper divisors (3559).

3149957 is a wasteful number, since it uses less digits than its factorization.

3149957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3558.

The product of its digits is 34020, while the sum is 38.

The square root of 3149957 is about 1774.8118210109. The cubic root of 3149957 is about 146.5890538628.

The spelling of 3149957 in words is "three million, one hundred forty-nine thousand, nine hundred fifty-seven".