39981676 has 12 divisors (see below), whose sum is σ = 79963408. Its totient is φ = 17134992.

The previous prime is 39981673. The next prime is 39981677. The reversal of 39981676 is 67618993.

39981676 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (39981673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713931 + ... + 713986.

Almost surely, 2^39981676 is an apocalyptic number.

It is an amenable number.

39981676 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

39981676 is a wasteful number, since it uses less digits than its factorization.

39981676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1427928 (or 1427926 counting only the distinct ones).

The product of its digits is 489888, while the sum is 49.

The square root of 39981676 is about 6323.1065149972. The cubic root of 39981676 is about 341.9429586935.

The spelling of 39981676 in words is "thirty-nine million, nine hundred eighty-one thousand, six hundred seventy-six".