396009156 has 12 divisors (see below), whose sum is σ = 924021392. Its totient is φ = 132003048.

The previous prime is 396009143. The next prime is 396009197. The reversal of 396009156 is 651900693.

It is a tau number, because it is divible by the number of its divisors (12).

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, 16500370 + ... + 16500393.

Almost surely, 2^396009156 is an apocalyptic number.

It is an amenable number.

396009156 is an abundant number, since it is smaller than the sum of its proper divisors (528012236).

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

396009156 is a wasteful number, since it uses less digits than its factorization.

396009156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33000770 (or 33000768 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 396009156 is about 19899.9787939586. The cubic root of 396009156 is about 734.3477057875.

The spelling of 396009156 in words is "three hundred ninety-six million, nine thousand, one hundred fifty-six".