39620906 has 16 divisors (see below), whose sum is σ = 65366784. Its totient is φ = 17896944.

The previous prime is 39620869. The next prime is 39620929. The reversal of 39620906 is 60902693.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14990 + ... + 17433.

It is an arithmetic number, because the mean of its divisors is an integer number (4085424).

Almost surely, 2^39620906 is an apocalyptic number.

39620906 is a deficient number, since it is larger than the sum of its proper divisors (25745878).

39620906 is a wasteful number, since it uses less digits than its factorization.

39620906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32485.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 39620906 is about 6294.5139605850. The cubic root of 39620906 is about 340.9113554295.

The spelling of 39620906 in words is "thirty-nine million, six hundred twenty thousand, nine hundred six".