39479788 has 24 divisors (see below), whose sum is σ = 71855280. Its totient is φ = 18957120.

The previous prime is 39479767. The next prime is 39479807. The reversal of 39479788 is 88797493.

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, 23670 + ... + 25282.

It is an arithmetic number, because the mean of its divisors is an integer number (2993970).

Almost surely, 2^39479788 is an apocalyptic number.

It is an amenable number.

39479788 is a deficient number, since it is larger than the sum of its proper divisors (32375492).

39479788 is a wasteful number, since it uses less digits than its factorization.

39479788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857 (or 1855 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 55.

The square root of 39479788 is about 6283.2943588535. The cubic root of 39479788 is about 340.5061319993.

The spelling of 39479788 in words is "thirty-nine million, four hundred seventy-nine thousand, seven hundred eighty-eight".