39516930 has 32 divisors (see below), whose sum is σ = 105379200. Its totient is φ = 10537776.

The previous prime is 39516923. The next prime is 39516947. The reversal of 39516930 is 3961593.

39516930 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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 15 ways as a sum of consecutive naturals, for example, 72910 + ... + 73449.

It is an arithmetic number, because the mean of its divisors is an integer number (3293100).

Almost surely, 2^39516930 is an apocalyptic number.

39516930 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39516930 is an abundant number, since it is smaller than the sum of its proper divisors (65862270).

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

39516930 is a wasteful number, since it uses less digits than its factorization.

39516930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146375 (or 146369 counting only the distinct ones).

The product of its (nonzero) digits is 21870, while the sum is 36.

The square root of 39516930 is about 6286.2492791807. The cubic root of 39516930 is about 340.6128795732.

The spelling of 39516930 in words is "thirty-nine million, five hundred sixteen thousand, nine hundred thirty".