4523920 has 40 divisors (see below), whose sum is σ = 10608696. Its totient is φ = 1794048.

The previous prime is 4523917. The next prime is 4523941. The reversal of 4523920 is 293254.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 898704 + 3625216 = 948^2 + 1904^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15294 + ... + 15586.

Almost surely, 2^4523920 is an apocalyptic number.

4523920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4523920 is an abundant number, since it is smaller than the sum of its proper divisors (6084776).

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

4523920 is a wasteful number, since it uses less digits than its factorization.

4523920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 493 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4523920 is about 2126.9508692022. The cubic root of 4523920 is about 165.3883719522.

The spelling of 4523920 in words is "four million, five hundred twenty-three thousand, nine hundred twenty".