397488000 has 576 divisors, whose sum is σ = 1659780720. Its totient is φ = 83865600.

The previous prime is 397487963. The next prime is 397488023. The reversal of 397488000 is 884793.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 397488000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30575994 + ... + 30576006.

Almost surely, 2^397488000 is an apocalyptic number.

397488000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829890360).

397488000 is an abundant number, since it is smaller than the sum of its proper divisors (1262292720).

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

397488000 is a wasteful number, since it uses less digits than its factorization.

397488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 397488000 is about 19937.1010931880. The cubic root of 397488000 is about 735.2606785107.

The spelling of 397488000 in words is "three hundred ninety-seven million, four hundred eighty-eight thousand".