396269972 has 48 divisors (see below), whose sum is σ = 816119808. Its totient is φ = 164838240.

The previous prime is 396269941. The next prime is 396269977. The reversal of 396269972 is 279962693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396269977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165947 + ... + 168317.

It is an arithmetic number, because the mean of its divisors is an integer number (17002496).

Almost surely, 2^396269972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 396269972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408059904).

396269972 is an abundant number, since it is smaller than the sum of its proper divisors (419849836).

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

396269972 is a wasteful number, since it uses less digits than its factorization.

396269972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2554 counting only the distinct ones).

The product of its digits is 2204496, while the sum is 53.

The square root of 396269972 is about 19906.5308881281. The cubic root of 396269972 is about 734.5088869082.

The spelling of 396269972 in words is "three hundred ninety-six million, two hundred sixty-nine thousand, nine hundred seventy-two".