39682540 has 36 divisors (see below), whose sum is σ = 84608496. Its totient is φ = 15633216.

The previous prime is 39682499. The next prime is 39682553. The reversal of 39682540 is 4528693.

39682540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 39682540.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 237537 + ... + 237703.

It is an arithmetic number, because the mean of its divisors is an integer number (2350236).

Almost surely, 2^39682540 is an apocalyptic number.

It is an amenable number.

39682540 is an abundant number, since it is smaller than the sum of its proper divisors (44925956).

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

39682540 is a wasteful number, since it uses less digits than its factorization.

39682540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 283 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 39682540 is about 6299.4079086848. The cubic root of 39682540 is about 341.0880369408.

The spelling of 39682540 in words is "thirty-nine million, six hundred eighty-two thousand, five hundred forty".