39546940 has 24 divisors (see below), whose sum is σ = 83170080. Its totient is φ = 15795648.

The previous prime is 39546931. The next prime is 39546967. The reversal of 39546940 is 4964593.

39546940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39546893 and 39546902.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 21289 + ... + 23071.

It is an arithmetic number, because the mean of its divisors is an integer number (3465420).

Almost surely, 2^39546940 is an apocalyptic number.

It is an amenable number.

39546940 is an abundant number, since it is smaller than the sum of its proper divisors (43623140).

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

39546940 is a wasteful number, since it uses less digits than its factorization.

39546940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901 (or 2899 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 39546940 is about 6288.6357821073. The cubic root of 39546940 is about 340.6990806526.

The spelling of 39546940 in words is "thirty-nine million, five hundred forty-six thousand, nine hundred forty".