3157797 has 8 divisors (see below), whose sum is σ = 4229856. Its totient is φ = 2095472.

The previous prime is 3157783. The next prime is 3157807. The reversal of 3157797 is 7977513.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3157797 - 2⁷ = 3157669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1638 + ... + 2999.

It is an arithmetic number, because the mean of its divisors is an integer number (528732).

Almost surely, 2^3157797 is an apocalyptic number.

It is an amenable number.

3157797 is a deficient number, since it is larger than the sum of its proper divisors (1072059).

3157797 is a wasteful number, since it uses less digits than its factorization.

3157797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4867.

The product of its digits is 46305, while the sum is 39.

The square root of 3157797 is about 1777.0191332678. The cubic root of 3157797 is about 146.7105693868.

The spelling of 3157797 in words is "three million, one hundred fifty-seven thousand, seven hundred ninety-seven".