396323072 has 18 divisors (see below), whose sum is σ = 791098518. Its totient is φ = 198161408.

The previous prime is 396323069. The next prime is 396323089. The reversal of 396323072 is 270323693.

It can be written as a sum of positive squares in only one way, i.e., 307511296 + 88811776 = 17536^2 + 9424^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 773813 + ... + 774324.

Almost surely, 2^396323072 is an apocalyptic number.

396323072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

396323072 is a deficient number, since it is larger than the sum of its proper divisors (394775446).

396323072 is an equidigital number, since it uses as much as digits as its factorization.

396323072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1548153 (or 1548139 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 35.

The square root of 396323072 is about 19907.8645765938. The cubic root of 396323072 is about 734.5416933976.

The spelling of 396323072 in words is "three hundred ninety-six million, three hundred twenty-three thousand, seventy-two".