39982960 has 20 divisors (see below), whose sum is σ = 92960568. Its totient is φ = 15993152.

The previous prime is 39982949. The next prime is 39982979. The reversal of 39982960 is 6928993.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-5 number, since 5×39982960⁵ (a number of 39 digits) contains 55555 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 39982960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249814 + ... + 249973.

Almost surely, 2^39982960 is an apocalyptic number.

It is an amenable number.

39982960 is an abundant number, since it is smaller than the sum of its proper divisors (52977608).

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

39982960 is a wasteful number, since it uses less digits than its factorization.

39982960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499800 (or 499794 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 39982960 is about 6323.2080465536. The cubic root of 39982960 is about 341.9466191208.

The spelling of 39982960 in words is "thirty-nine million, nine hundred eighty-two thousand, nine hundred sixty".