39669795 has 24 divisors (see below), whose sum is σ = 75012912. Its totient is φ = 19233600.

The previous prime is 39669781. The next prime is 39669803. The reversal of 39669795 is 59796693.

It is not a de Polignac number, because 39669795 - 2⁶ = 39669731 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 39576 + ... + 40565.

It is an arithmetic number, because the mean of its divisors is an integer number (3125538).

Almost surely, 2^39669795 is an apocalyptic number.

39669795 is a deficient number, since it is larger than the sum of its proper divisors (35343117).

39669795 is a wasteful number, since it uses less digits than its factorization.

39669795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80163 (or 80160 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 39669795 is about 6298.3962244368. The cubic root of 39669795 is about 341.0515168280.

The spelling of 39669795 in words is "thirty-nine million, six hundred sixty-nine thousand, seven hundred ninety-five".