3299840172 has 36 divisors (see below), whose sum is σ = 8372066976. Its totient is φ = 1095884640.

The previous prime is 3299840161. The next prime is 3299840177. The reversal of 3299840172 is 2710489923.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3299840177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159363 + ... + 178874.

It is an arithmetic number, because the mean of its divisors is an integer number (232557416).

Almost surely, 2^3299840172 is an apocalyptic number.

It is an amenable number.

3299840172 is an abundant number, since it is smaller than the sum of its proper divisors (5072226804).

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

3299840172 is a wasteful number, since it uses less digits than its factorization.

3299840172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338518 (or 338513 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3299840172 is about 57444.2353243561. The cubic root of 3299840172 is about 1488.7815169280.

The spelling of 3299840172 in words is "three billion, two hundred ninety-nine million, eight hundred forty thousand, one hundred seventy-two".