397458368 has 56 divisors (see below), whose sum is σ = 838102464. Its totient is φ = 186368000.

The previous prime is 397458361. The next prime is 397458421. The reversal of 397458368 is 863854793.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397458361) 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, 435833 + ... + 436743.

Almost surely, 2^397458368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397458368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419051232).

397458368 is an abundant number, since it is smaller than the sum of its proper divisors (440644096).

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

397458368 is a wasteful number, since it uses less digits than its factorization.

397458368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1331 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 53.

The square root of 397458368 is about 19936.3579422120. The cubic root of 397458368 is about 735.2424072791.

The spelling of 397458368 in words is "three hundred ninety-seven million, four hundred fifty-eight thousand, three hundred sixty-eight".