39740895 has 32 divisors (see below), whose sum is σ = 73728000. Its totient is φ = 20272032.

The previous prime is 39740887. The next prime is 39740929. The reversal of 39740895 is 59804793.

It is not a de Polignac number, because 39740895 - 2³ = 39740887 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 39740895.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3295 + ... + 9504.

It is an arithmetic number, because the mean of its divisors is an integer number (2304000).

Almost surely, 2^39740895 is an apocalyptic number.

39740895 is a deficient number, since it is larger than the sum of its proper divisors (33987105).

39740895 is a wasteful number, since it uses less digits than its factorization.

39740895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12836 (or 12830 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 39740895 is about 6304.0379916368. The cubic root of 39740895 is about 341.2551502664.

The spelling of 39740895 in words is "thirty-nine million, seven hundred forty thousand, eight hundred ninety-five".