7938408 has 16 divisors (see below), whose sum is σ = 19846080. Its totient is φ = 2646128.

The previous prime is 7938407. The next prime is 7938443. The reversal of 7938408 is 8048397.

It is not an unprimeable number, because it can be changed into a prime (7938407) 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, 165360 + ... + 165407.

It is an arithmetic number, because the mean of its divisors is an integer number (1240380).

Almost surely, 2^7938408 is an apocalyptic number.

It is an amenable number.

7938408 is an abundant number, since it is smaller than the sum of its proper divisors (11907672).

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

7938408 is a wasteful number, since it uses less digits than its factorization.

7938408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330776 (or 330772 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 7938408 is about 2817.5180567301. The cubic root of 7938408 is about 199.4854104569.

The spelling of 7938408 in words is "seven million, nine hundred thirty-eight thousand, four hundred eight".