396973760 has 28 divisors (see below), whose sum is σ = 945294528. Its totient is φ = 158789376.

The previous prime is 396973747. The next prime is 396973793. The reversal of 396973760 is 67379693.

It is a super-2 number, since 2×396973760² = 315176332257075200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 396973699 and 396973708.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619952 + ... + 620591.

Almost surely, 2^396973760 is an apocalyptic number.

It is an amenable number.

396973760 is an abundant number, since it is smaller than the sum of its proper divisors (548320768).

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

396973760 is a wasteful number, since it uses less digits than its factorization.

396973760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240560 (or 1240550 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 50.

The square root of 396973760 is about 19924.2003603658. The cubic root of 396973760 is about 734.9434667364.

The spelling of 396973760 in words is "three hundred ninety-six million, nine hundred seventy-three thousand, seven hundred sixty".