3966402132 has 72 divisors (see below), whose sum is σ = 12500185152. Its totient is φ = 1030233600.

The previous prime is 3966402061. The next prime is 3966402157. The reversal of 3966402132 is 2312046693.

3966402132 is a `hidden beast` number, since 3 + 9 + 6 + 640 + 2 + 1 + 3 + 2 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712669 + ... + 718212.

Almost surely, 2^3966402132 is an apocalyptic number.

It is an amenable number.

3966402132 is an abundant number, since it is smaller than the sum of its proper divisors (8533783020).

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

3966402132 is a wasteful number, since it uses less digits than its factorization.

3966402132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430909 (or 1430904 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 3966402132 is about 62979.3786250706. The cubic root of 3966402132 is about 1582.9441090122.

The spelling of 3966402132 in words is "three billion, nine hundred sixty-six million, four hundred two thousand, one hundred thirty-two".