396422772 has 24 divisors (see below), whose sum is σ = 929784576. Its totient is φ = 131455488.

The previous prime is 396422771. The next prime is 396422797. The reversal of 396422772 is 277224693.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396422771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83268 + ... + 87899.

It is an arithmetic number, because the mean of its divisors is an integer number (38741024).

Almost surely, 2^396422772 is an apocalyptic number.

It is an amenable number.

396422772 is an abundant number, since it is smaller than the sum of its proper divisors (533361804).

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

396422772 is a wasteful number, since it uses less digits than its factorization.

396422772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171367 (or 171365 counting only the distinct ones).

The product of its digits is 254016, while the sum is 42.

The square root of 396422772 is about 19910.3684546520. The cubic root of 396422772 is about 734.6032826009.

The spelling of 396422772 in words is "three hundred ninety-six million, four hundred twenty-two thousand, seven hundred seventy-two".