3990601601 has 8 divisors (see below), whose sum is σ = 4653763200. Its totient is φ = 3420515364.

The previous prime is 3990601577. The next prime is 3990601603. The reversal of 3990601601 is 1061060993.

It is not a de Polignac number, because 3990601601 - 2²² = 3986407297 is a prime.

It is a super-2 number, since 2×3990601601² = 31849802275807526402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3990601603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5816861 + ... + 5817546.

It is an arithmetic number, because the mean of its divisors is an integer number (581720400).

Almost surely, 2^3990601601 is an apocalyptic number.

It is an amenable number.

3990601601 is a deficient number, since it is larger than the sum of its proper divisors (663161599).

3990601601 is an equidigital number, since it uses as much as digits as its factorization.

3990601601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11634428 (or 11634414 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 3990601601 is about 63171.2086396960. The cubic root of 3990601601 is about 1586.1568246084.

The spelling of 3990601601 in words is "three billion, nine hundred ninety million, six hundred one thousand, six hundred one".