3990695795 has 4 divisors (see below), whose sum is σ = 4788834960. Its totient is φ = 3192556632.

The previous prime is 3990695789. The next prime is 3990695843. The reversal of 3990695795 is 5975960993.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3990695795 - 2²⁰ = 3989647219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399069575 + ... + 399069584.

It is an arithmetic number, because the mean of its divisors is an integer number (1197208740).

Almost surely, 2^3990695795 is an apocalyptic number.

3990695795 is a deficient number, since it is larger than the sum of its proper divisors (798139165).

3990695795 is an equidigital number, since it uses as much as digits as its factorization.

3990695795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798139164.

The product of its (nonzero) digits is 20667150, while the sum is 62.

The square root of 3990695795 is about 63171.9541806330. The cubic root of 3990695795 is about 1586.1693043709.

The spelling of 3990695795 in words is "three billion, nine hundred ninety million, six hundred ninety-five thousand, seven hundred ninety-five".