396386880 has 56 divisors (see below), whose sum is σ = 1258531392. Its totient is φ = 105702912.

The previous prime is 396386869. The next prime is 396386917. The reversal of 396386880 is 88683693.

It is a super-2 number, since 2×396386880² = 314245117272268800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205492 + ... + 207411.

Almost surely, 2^396386880 is an apocalyptic number.

396386880 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

396386880 is an abundant number, since it is smaller than the sum of its proper divisors (862144512).

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

396386880 is a wasteful number, since it uses less digits than its factorization.

396386880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412923 (or 412913 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The square root of 396386880 is about 19909.4670948270. The cubic root of 396386880 is about 734.5811116774.

The spelling of 396386880 in words is "three hundred ninety-six million, three hundred eighty-six thousand, eight hundred eighty".