396207432 has 24 divisors (see below), whose sum is σ = 1073061990. Its totient is φ = 132069120.

The previous prime is 396207401. The next prime is 396207439. The reversal of 396207432 is 234702693.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 286083396 + 110124036 = 16914^2 + 10494^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (396207439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2751369 + ... + 2751512.

Almost surely, 2^396207432 is an apocalyptic number.

It is an amenable number.

396207432 is an abundant number, since it is smaller than the sum of its proper divisors (676854558).

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

396207432 is a wasteful number, since it uses less digits than its factorization.

396207432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502893 (or 5502886 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 396207432 is about 19904.9599848882. The cubic root of 396207432 is about 734.4702443952.

The spelling of 396207432 in words is "three hundred ninety-six million, two hundred seven thousand, four hundred thirty-two".