368721492 has 12 divisors (see below), whose sum is σ = 860350176. Its totient is φ = 122907160.

The previous prime is 368721491. The next prime is 368721497. The reversal of 368721492 is 294127863.

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 not an unprimeable number, because it can be changed into a prime (368721491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15363384 + ... + 15363407.

It is an arithmetic number, because the mean of its divisors is an integer number (71695848).

Almost surely, 2^368721492 is an apocalyptic number.

It is an amenable number.

368721492 is an abundant number, since it is smaller than the sum of its proper divisors (491628684).

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

368721492 is a wasteful number, since it uses less digits than its factorization.

368721492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30726798 (or 30726796 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 368721492 is about 19202.1220702296. The cubic root of 368721492 is about 717.0775910071.

The spelling of 368721492 in words is "three hundred sixty-eight million, seven hundred twenty-one thousand, four hundred ninety-two".