363795921 has 16 divisors (see below), whose sum is σ = 540724800. Its totient is φ = 241735104.

The previous prime is 363795919. The next prime is 363795931. The reversal of 363795921 is 129597363.

363795921 is a `hidden beast` number, since 3 + 637 + 9 + 5 + 9 + 2 + 1 = 666.

It is not a de Polignac number, because 363795921 - 2¹ = 363795919 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (363795931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13656 + ... + 30233.

It is an arithmetic number, because the mean of its divisors is an integer number (33795300).

Almost surely, 2^363795921 is an apocalyptic number.

It is an amenable number.

363795921 is a deficient number, since it is larger than the sum of its proper divisors (176928879).

363795921 is a wasteful number, since it uses less digits than its factorization.

363795921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44205 (or 44199 counting only the distinct ones).

The product of its digits is 306180, while the sum is 45.

The square root of 363795921 is about 19073.4349554557. The cubic root of 363795921 is about 713.8702362866.

The spelling of 363795921 in words is "three hundred sixty-three million, seven hundred ninety-five thousand, nine hundred twenty-one".