397488 has 90 divisors (see below), whose sum is σ = 1293444. Its totient is φ = 104832.

The previous prime is 397469. The next prime is 397489. The reversal of 397488 is 884793.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (397489) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 30570 + ... + 30582.

2³⁹⁷⁴⁸⁸ 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 397488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646722).

397488 is an abundant number, since it is smaller than the sum of its proper divisors (895956).

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

397488 is a wasteful number, since it uses less digits than its factorization.

397488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51 (or 25 counting only the distinct ones).

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

The square root of 397488 is about 630.4664939551. The cubic root of 397488 is about 73.5260678511.

The spelling of 397488 in words is "three hundred ninety-seven thousand, four hundred eighty-eight".