363978 has 24 divisors (see below), whose sum is σ = 802308. Its totient is φ = 119232.

The previous prime is 363977. The next prime is 363989. The reversal of 363978 is 879363.

It can be written as a sum of positive squares in 2 ways, for example, as 356409 + 7569 = 597^2 + 87^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 363978.

It is not an unprimeable number, because it can be changed into a prime (363977) 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, 1176 + ... + 1452.

2³⁶³⁹⁷⁸ is an apocalyptic number.

363978 is an abundant number, since it is smaller than the sum of its proper divisors (438330).

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

363978 is a wasteful number, since it uses less digits than its factorization.

363978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 355 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 363978 is about 603.3058925620. The cubic root of 363978 is about 71.3989313212.

The spelling of 363978 in words is "three hundred sixty-three thousand, nine hundred seventy-eight".