4639924 has 6 divisors (see below), whose sum is σ = 8119874. Its totient is φ = 2319960.

The previous prime is 4639909. The next prime is 4639927. The reversal of 4639924 is 4299364.

It can be written as a sum of positive squares in only one way, i.e., 4622500 + 17424 = 2150^2 + 132^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4639927) 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 as a sum of consecutive naturals, namely, 579987 + ... + 579994.

Almost surely, 2^4639924 is an apocalyptic number.

It is an amenable number.

4639924 is a deficient number, since it is larger than the sum of its proper divisors (3479950).

4639924 is a wasteful number, since it uses less digits than its factorization.

4639924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159985 (or 1159983 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 4639924 is about 2154.0482817244. The cubic root of 4639924 is about 166.7901076625.

The spelling of 4639924 in words is "four million, six hundred thirty-nine thousand, nine hundred twenty-four".