5421920 has 96 divisors (see below), whose sum is σ = 15095808. Its totient is φ = 1801728.

The previous prime is 5421919. The next prime is 5421947. The reversal of 5421920 is 291245.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 52589 + ... + 52691.

It is an arithmetic number, because the mean of its divisors is an integer number (157248).

Almost surely, 2^5421920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7547904).

5421920 is an abundant number, since it is smaller than the sum of its proper divisors (9673888).

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

5421920 is a wasteful number, since it uses less digits than its factorization.

5421920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5421920 is about 2328.5016641609. The cubic root of 5421920 is about 175.6781307317.

The spelling of 5421920 in words is "five million, four hundred twenty-one thousand, nine hundred twenty".