3157085 has 8 divisors (see below), whose sum is σ = 3919320. Its totient is φ = 2438464.

The previous prime is 3157081. The next prime is 3157109. The reversal of 3157085 is 5807513.

It can be written as a sum of positive squares in 4 ways, for example, as 52441 + 3104644 = 229^2 + 1762^2 .

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 3157085 - 2² = 3157081 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157081) 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, 10742 + ... + 11031.

It is an arithmetic number, because the mean of its divisors is an integer number (489915).

Almost surely, 2^3157085 is an apocalyptic number.

It is an amenable number.

3157085 is a deficient number, since it is larger than the sum of its proper divisors (762235).

3157085 is a wasteful number, since it uses less digits than its factorization.

3157085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21807.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 3157085 is about 1776.8187864833. The cubic root of 3157085 is about 146.6995421024.

The spelling of 3157085 in words is "three million, one hundred fifty-seven thousand, eighty-five".