4521944 has 16 divisors (see below), whose sum is σ = 9690000. Its totient is φ = 1937952.

The previous prime is 4521929. The next prime is 4521971. The reversal of 4521944 is 4491254.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40319 + ... + 40430.

It is an arithmetic number, because the mean of its divisors is an integer number (605625).

Almost surely, 2^4521944 is an apocalyptic number.

It is an amenable number.

4521944 is an abundant number, since it is smaller than the sum of its proper divisors (5168056).

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

4521944 is a wasteful number, since it uses less digits than its factorization.

4521944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80762 (or 80758 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 4521944 is about 2126.4863037415. The cubic root of 4521944 is about 165.3642884865.

The spelling of 4521944 in words is "four million, five hundred twenty-one thousand, nine hundred forty-four".