4915857 has 16 divisors (see below), whose sum is σ = 6842432. Its totient is φ = 3136320.

The previous prime is 4915853. The next prime is 4915879. The reversal of 4915857 is 7585194.

It is not a de Polignac number, because 4915857 - 2² = 4915853 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4915853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7107 + ... + 7767.

It is an arithmetic number, because the mean of its divisors is an integer number (427652).

Almost surely, 2^4915857 is an apocalyptic number.

It is an amenable number.

4915857 is a deficient number, since it is larger than the sum of its proper divisors (1926575).

4915857 is a wasteful number, since it uses less digits than its factorization.

4915857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768.

The product of its digits is 50400, while the sum is 39.

The square root of 4915857 is about 2217.1732002710. The cubic root of 4915857 is about 170.0329463250.

The spelling of 4915857 in words is "four million, nine hundred fifteen thousand, eight hundred fifty-seven".