397838448 has 90 divisors (see below), whose sum is σ = 1295196864. Its totient is φ = 113666112.

The previous prime is 397838431. The next prime is 397838453. The reversal of 397838448 is 844838793.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 397838394 and 397838403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 21136 + ... + 35247.

Almost surely, 2^397838448 is an apocalyptic number.

It is an amenable number.

397838448 is an abundant number, since it is smaller than the sum of its proper divisors (897358416).

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

397838448 is a wasteful number, since it uses less digits than its factorization.

397838448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56411 (or 56395 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 397838448 is about 19945.8879972790. The cubic root of 397838448 is about 735.4766975650.

The spelling of 397838448 in words is "three hundred ninety-seven million, eight hundred thirty-eight thousand, four hundred forty-eight".