3992172330 has 32 divisors (see below), whose sum is σ = 9997789824. Its totient is φ = 1018293056.

The previous prime is 3992172299. The next prime is 3992172377. The reversal of 3992172330 is 332712993.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2892189 + ... + 2893568.

It is an arithmetic number, because the mean of its divisors is an integer number (312430932).

Almost surely, 2^3992172330 is an apocalyptic number.

3992172330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3992172330 is an abundant number, since it is smaller than the sum of its proper divisors (6005617494).

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

3992172330 is a wasteful number, since it uses less digits than its factorization.

3992172330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5785790.

The product of its (nonzero) digits is 61236, while the sum is 39.

The square root of 3992172330 is about 63183.6397337159. The cubic root of 3992172330 is about 1586.3649048231.

The spelling of 3992172330 in words is "three billion, nine hundred ninety-two million, one hundred seventy-two thousand, three hundred thirty".