39679478 has 16 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 19458600.

The previous prime is 39679469. The next prime is 39679501. The reversal of 39679478 is 87497693.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24275 + ... + 25857.

It is an arithmetic number, because the mean of its divisors is an integer number (3792096).

Almost surely, 2^39679478 is an apocalyptic number.

39679478 is a deficient number, since it is larger than the sum of its proper divisors (20994058).

39679478 is a wasteful number, since it uses less digits than its factorization.

39679478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 2286144, while the sum is 53.

The square root of 39679478 is about 6299.1648652817. The cubic root of 39679478 is about 341.0792636581.

The spelling of 39679478 in words is "thirty-nine million, six hundred seventy-nine thousand, four hundred seventy-eight".