39679680 has 56 divisors (see below), whose sum is σ = 125986032. Its totient is φ = 10580992.

The previous prime is 39679643. The next prime is 39679681. The reversal of 39679680 is 8697693.

It is a happy number.

39679680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (39679681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19707 + ... + 21626.

Almost surely, 2^39679680 is an apocalyptic number.

39679680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39679680 is an abundant number, since it is smaller than the sum of its proper divisors (86306352).

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

39679680 is a wasteful number, since it uses less digits than its factorization.

39679680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41353 (or 41343 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 39679680 is about 6299.1808991328. The cubic root of 39679680 is about 341.0798424450.

The spelling of 39679680 in words is "thirty-nine million, six hundred seventy-nine thousand, six hundred eighty".