397480 has 32 divisors (see below), whose sum is σ = 943200. Its totient is φ = 150336.

The previous prime is 397469. The next prime is 397489. The reversal of 397480 is 84793.

It is a happy number.

397480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 499 + ... + 1021.

It is an arithmetic number, because the mean of its divisors is an integer number (29475).

2³⁹⁷⁴⁸⁰ 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 397480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471600).

397480 is an abundant number, since it is smaller than the sum of its proper divisors (545720).

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

397480 is a wasteful number, since it uses less digits than its factorization.

397480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 397480 is about 630.4601494147. The cubic root of 397480 is about 73.5255745762.

The spelling of 397480 in words is "three hundred ninety-seven thousand, four hundred eighty".