5392640 has 72 divisors (see below), whose sum is σ = 14128128. Its totient is φ = 1955840.

The previous prime is 5392627. The next prime is 5392657. The reversal of 5392640 is 462935.

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, 13889 + ... + 14271.

It is an arithmetic number, because the mean of its divisors is an integer number (196224).

Almost surely, 2^5392640 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 5392640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7064064).

5392640 is an abundant number, since it is smaller than the sum of its proper divisors (8735488).

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

5392640 is a wasteful number, since it uses less digits than its factorization.

5392640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 401 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 5392640 is about 2322.2058478955. The cubic root of 5392640 is about 175.3613214954.

The spelling of 5392640 in words is "five million, three hundred ninety-two thousand, six hundred forty".