363878361 has 36 divisors (see below), whose sum is σ = 667006704. Its totient is φ = 189025200.

The previous prime is 363878357. The next prime is 363878363. The reversal of 363878361 is 163878363.

363878361 is a `hidden beast` number, since 3 + 638 + 7 + 8 + 3 + 6 + 1 = 666.

It is not a de Polignac number, because 363878361 - 2² = 363878357 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (363878363) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32655 + ... + 42356.

It is an arithmetic number, because the mean of its divisors is an integer number (18527964).

Almost surely, 2^363878361 is an apocalyptic number.

It is an amenable number.

363878361 is a deficient number, since it is larger than the sum of its proper divisors (303128343).

363878361 is a wasteful number, since it uses less digits than its factorization.

363878361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75042 (or 75032 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 363878361 is about 19075.5959539932. The cubic root of 363878361 is about 713.9241557269.

The spelling of 363878361 in words is "three hundred sixty-three million, eight hundred seventy-eight thousand, three hundred sixty-one".