4639976 has 16 divisors (see below), whose sum is σ = 9491040. Its totient is φ = 2109040.

The previous prime is 4639967. The next prime is 4639979. The reversal of 4639976 is 6799364.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (4639979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26276 + ... + 26451.

It is an arithmetic number, because the mean of its divisors is an integer number (593190).

Almost surely, 2^4639976 is an apocalyptic number.

It is an amenable number.

4639976 is an abundant number, since it is smaller than the sum of its proper divisors (4851064).

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

4639976 is a wasteful number, since it uses less digits than its factorization.

4639976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52744 (or 52740 counting only the distinct ones).

The product of its digits is 244944, while the sum is 44.

The square root of 4639976 is about 2154.0603519865. The cubic root of 4639976 is about 166.7907307368.

The spelling of 4639976 in words is "four million, six hundred thirty-nine thousand, nine hundred seventy-six".