397288348 has 24 divisors (see below), whose sum is σ = 703946880. Its totient is φ = 196171200.

The previous prime is 397288337. The next prime is 397288349. The reversal of 397288348 is 843882793.

It is a junction number, because it is equal to n+sod(n) for n = 397288295 and 397288304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397288349) 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, 192490 + ... + 194542.

It is an arithmetic number, because the mean of its divisors is an integer number (29331120).

Almost surely, 2^397288348 is an apocalyptic number.

It is an amenable number.

397288348 is a deficient number, since it is larger than the sum of its proper divisors (306658532).

397288348 is a wasteful number, since it uses less digits than its factorization.

397288348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637 (or 2635 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 397288348 is about 19932.0934174010. The cubic root of 397288348 is about 735.1375545844.

The spelling of 397288348 in words is "three hundred ninety-seven million, two hundred eighty-eight thousand, three hundred forty-eight".