3157485 has 8 divisors (see below), whose sum is σ = 5052000. Its totient is φ = 1683984.

The previous prime is 3157481. The next prime is 3157487. The reversal of 3157485 is 5847513.

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

It is not a de Polignac number, because 3157485 - 2² = 3157481 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3157481) 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, 105235 + ... + 105264.

It is an arithmetic number, because the mean of its divisors is an integer number (631500).

Almost surely, 2^3157485 is an apocalyptic number.

It is an amenable number.

3157485 is a deficient number, since it is larger than the sum of its proper divisors (1894515).

3157485 is a wasteful number, since it uses less digits than its factorization.

3157485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210507.

The product of its digits is 16800, while the sum is 33.

The square root of 3157485 is about 1776.9313436371. The cubic root of 3157485 is about 146.7057374101.

The spelling of 3157485 in words is "three million, one hundred fifty-seven thousand, four hundred eighty-five".