39478680 has 48 divisors (see below), whose sum is σ = 128306880. Its totient is φ = 10527552.

The previous prime is 39478679. The next prime is 39478711. The reversal of 39478680 is 8687493.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54472 + ... + 55191.

It is an arithmetic number, because the mean of its divisors is an integer number (2673060).

Almost surely, 2^39478680 is an apocalyptic number.

39478680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39478680 is an abundant number, since it is smaller than the sum of its proper divisors (88828200).

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

39478680 is a wasteful number, since it uses less digits than its factorization.

39478680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109680 (or 109673 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 39478680 is about 6283.2061879267. The cubic root of 39478680 is about 340.5029465353.

The spelling of 39478680 in words is "thirty-nine million, four hundred seventy-eight thousand, six hundred eighty".