5421988 has 24 divisors (see below), whose sum is σ = 11148480. Its totient is φ = 2274720.

The previous prime is 5421947. The next prime is 5422003. The reversal of 5421988 is 8891245.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 4168 + ... + 5311.

It is an arithmetic number, because the mean of its divisors is an integer number (464520).

Almost surely, 2^5421988 is an apocalyptic number.

It is an amenable number.

5421988 is an abundant number, since it is smaller than the sum of its proper divisors (5726492).

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

5421988 is a wasteful number, since it uses less digits than its factorization.

5421988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9507 (or 9505 counting only the distinct ones).

The product of its digits is 23040, while the sum is 37.

The square root of 5421988 is about 2328.5162657796. The cubic root of 5421988 is about 175.6788651618.

The spelling of 5421988 in words is "five million, four hundred twenty-one thousand, nine hundred eighty-eight".