3997136922 has 16 divisors (see below), whose sum is σ = 8035697280. Its totient is φ = 1325475072.

The previous prime is 3997136893. The next prime is 3997136977. The reversal of 3997136922 is 2296317993.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1724722 + ... + 1727037.

It is an arithmetic number, because the mean of its divisors is an integer number (502231080).

Almost surely, 2^3997136922 is an apocalyptic number.

3997136922 is an abundant number, since it is smaller than the sum of its proper divisors (4038560358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3997136922 is a wasteful number, since it uses less digits than its factorization.

3997136922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3451957.

The product of its digits is 1102248, while the sum is 51.

The square root of 3997136922 is about 63222.9145326281. The cubic root of 3997136922 is about 1587.0222238169.

The spelling of 3997136922 in words is "three billion, nine hundred ninety-seven million, one hundred thirty-six thousand, nine hundred twenty-two".