397628476 has 12 divisors (see below), whose sum is σ = 795257008. Its totient is φ = 170412192.

The previous prime is 397628461. The next prime is 397628479. The reversal of 397628476 is 674826793.

397628476 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397628479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7100481 + ... + 7100536.

Almost surely, 2^397628476 is an apocalyptic number.

It is an amenable number.

397628476 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

397628476 is a wasteful number, since it uses less digits than its factorization.

397628476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14201028 (or 14201026 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 52.

The square root of 397628476 is about 19940.6237615577. The cubic root of 397628476 is about 735.3472843235.

The spelling of 397628476 in words is "three hundred ninety-seven million, six hundred twenty-eight thousand, four hundred seventy-six".