4539924 has 36 divisors (see below), whose sum is σ = 11977056. Its totient is φ = 1447248.

The previous prime is 4539923. The next prime is 4539929. The reversal of 4539924 is 4299354.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4539924² = 41221819851552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1914 + ... + 3569.

It is an arithmetic number, because the mean of its divisors is an integer number (332696).

Almost surely, 2^4539924 is an apocalyptic number.

It is an amenable number.

4539924 is an abundant number, since it is smaller than the sum of its proper divisors (7437132).

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

4539924 is a wasteful number, since it uses less digits than its factorization.

4539924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5516 (or 5511 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 4539924 is about 2130.7097409079. The cubic root of 4539924 is about 165.5831705925.

The spelling of 4539924 in words is "four million, five hundred thirty-nine thousand, nine hundred twenty-four".