39789995 has 16 divisors (see below), whose sum is σ = 55466688. Its totient is φ = 26835840.

The previous prime is 39789991. The next prime is 39790021. The reversal of 39789995 is 59998793.

It is not a de Polignac number, because 39789995 - 2² = 39789991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39789991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7184 + ... + 11453.

It is an arithmetic number, because the mean of its divisors is an integer number (3466668).

Almost surely, 2^39789995 is an apocalyptic number.

39789995 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39789995 is a deficient number, since it is larger than the sum of its proper divisors (15676693).

39789995 is a wasteful number, since it uses less digits than its factorization.

39789995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18710.

The product of its digits is 5511240, while the sum is 59.

The square root of 39789995 is about 6307.9311188376. The cubic root of 39789995 is about 341.3956330283.

The spelling of 39789995 in words is "thirty-nine million, seven hundred eighty-nine thousand, nine hundred ninety-five".