3940238292 has 12 divisors (see below), whose sum is σ = 9193889376. Its totient is φ = 1313412760.

The previous prime is 3940238213. The next prime is 3940238303. The reversal of 3940238292 is 2928320493.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 164176584 + ... + 164176607.

It is an arithmetic number, because the mean of its divisors is an integer number (766157448).

Almost surely, 2^3940238292 is an apocalyptic number.

It is an amenable number.

3940238292 is an abundant number, since it is smaller than the sum of its proper divisors (5253651084).

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

3940238292 is a wasteful number, since it uses less digits than its factorization.

3940238292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328353198 (or 328353196 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The square root of 3940238292 is about 62771.3174308139. The cubic root of 3940238292 is about 1579.4558682830.

The spelling of 3940238292 in words is "three billion, nine hundred forty million, two hundred thirty-eight thousand, two hundred ninety-two".