396428572 has 6 divisors (see below), whose sum is σ = 693750008. Its totient is φ = 198214284.

The previous prime is 396428537. The next prime is 396428573. The reversal of 396428572 is 275824693.

It is a super-2 number, since 2×396428572² = 314311225395918368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396428573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49553568 + ... + 49553575.

Almost surely, 2^396428572 is an apocalyptic number.

It is an amenable number.

396428572 is a deficient number, since it is larger than the sum of its proper divisors (297321436).

396428572 is a wasteful number, since it uses less digits than its factorization.

396428572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99107147 (or 99107145 counting only the distinct ones).

The product of its digits is 725760, while the sum is 46.

The square root of 396428572 is about 19910.5141068733. The cubic root of 396428572 is about 734.6068652056.

The spelling of 396428572 in words is "three hundred ninety-six million, four hundred twenty-eight thousand, five hundred seventy-two".