4857864 has 32 divisors (see below), whose sum is σ = 13249440. Its totient is φ = 1472000.

The previous prime is 4857829. The next prime is 4857893. The reversal of 4857864 is 4687584.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8937 + ... + 9464.

It is an arithmetic number, because the mean of its divisors is an integer number (414045).

Almost surely, 2^4857864 is an apocalyptic number.

4857864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4857864 is an abundant number, since it is smaller than the sum of its proper divisors (8391576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4857864 is a wasteful number, since it uses less digits than its factorization.

4857864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18421 (or 18417 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 4857864 is about 2204.0562606249. The cubic root of 4857864 is about 169.3616660936.

The spelling of 4857864 in words is "four million, eight hundred fifty-seven thousand, eight hundred sixty-four".