5421388 has 24 divisors (see below), whose sum is σ = 11137952. Its totient is φ = 2260224.

The previous prime is 5421371. The next prime is 5421407. The reversal of 5421388 is 8831245.

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 7 ways as a sum of consecutive naturals, for example, 1581 + ... + 3652.

Almost surely, 2^5421388 is an apocalyptic number.

It is an amenable number.

5421388 is an abundant number, since it is smaller than the sum of its proper divisors (5716564).

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

5421388 is a wasteful number, since it uses less digits than its factorization.

5421388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5281 (or 5279 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 5421388 is about 2328.3874248071. The cubic root of 5421388 is about 175.6723846847.

The spelling of 5421388 in words is "five million, four hundred twenty-one thousand, three hundred eighty-eight".