5421808 has 20 divisors (see below), whose sum is σ = 12005680. Its totient is φ = 2323584.

The previous prime is 5421803. The next prime is 5421833. The reversal of 5421808 is 8081245.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5421803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24093 + ... + 24316.

It is an arithmetic number, because the mean of its divisors is an integer number (600284).

Almost surely, 2^5421808 is an apocalyptic number.

It is an amenable number.

5421808 is an abundant number, since it is smaller than the sum of its proper divisors (6583872).

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

5421808 is a wasteful number, since it uses less digits than its factorization.

5421808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48424 (or 48418 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 5421808 is about 2328.4776142364. The cubic root of 5421808 is about 175.6769210688.

The spelling of 5421808 in words is "five million, four hundred twenty-one thousand, eight hundred eight".