4389924 has 48 divisors (see below), whose sum is σ = 12773376. Its totient is φ = 1140000.

The previous prime is 4389919. The next prime is 4389947. The reversal of 4389924 is 4299834.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 3299.

It is an arithmetic number, because the mean of its divisors is an integer number (266112).

Almost surely, 2^4389924 is an apocalyptic number.

4389924 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4389924 is an abundant number, since it is smaller than the sum of its proper divisors (8383452).

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

4389924 is a wasteful number, since it uses less digits than its factorization.

4389924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4776 (or 4774 counting only the distinct ones).

The product of its digits is 62208, while the sum is 39.

The square root of 4389924 is about 2095.2145474867. The cubic root of 4389924 is about 163.7390754711.

The spelling of 4389924 in words is "four million, three hundred eighty-nine thousand, nine hundred twenty-four".