5420988 has 18 divisors (see below), whose sum is σ = 13703144. Its totient is φ = 1806984.

The previous prime is 5420983. The next prime is 5421007. The reversal of 5420988 is 8890245.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×5420988² = 58774221792288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 150583 = 5420988 / (5 + 4 + 2 + 0 + 9 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5420983) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 75256 + ... + 75327.

Almost surely, 2^5420988 is an apocalyptic number.

It is an amenable number.

5420988 is an abundant number, since it is smaller than the sum of its proper divisors (8282156).

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

5420988 is a wasteful number, since it uses less digits than its factorization.

5420988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150593 (or 150588 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5420988 is about 2328.3015268646. The cubic root of 5420988 is about 175.6680641009.

The spelling of 5420988 in words is "five million, four hundred twenty thousand, nine hundred eighty-eight".