4979864 has 8 divisors (see below), whose sum is σ = 9337260. Its totient is φ = 2489928.

The previous prime is 4979839. The next prime is 4979879. The reversal of 4979864 is 4689794.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311234 + ... + 311249.

Almost surely, 2^4979864 is an apocalyptic number.

It is an amenable number.

4979864 is a deficient number, since it is larger than the sum of its proper divisors (4357396).

4979864 is a wasteful number, since it uses less digits than its factorization.

4979864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622489 (or 622485 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 4979864 is about 2231.5608887055. The cubic root of 4979864 is about 170.7677386612.

The spelling of 4979864 in words is "four million, nine hundred seventy-nine thousand, eight hundred sixty-four".