397470 has 16 divisors (see below), whose sum is σ = 954000. Its totient is φ = 105984.

The previous prime is 397469. The next prime is 397489. The reversal of 397470 is 74793.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 13249 = 397470 / (3 + 9 + 7 + 4 + 7 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6595 + ... + 6654.

It is an arithmetic number, because the mean of its divisors is an integer number (59625).

2³⁹⁷⁴⁷⁰ is an apocalyptic number.

397470 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

397470 is an abundant number, since it is smaller than the sum of its proper divisors (556530).

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

397470 is a wasteful number, since it uses less digits than its factorization.

397470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13259.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 397470 is about 630.4522186494. The cubic root of 397470 is about 73.5249579734.

The spelling of 397470 in words is "three hundred ninety-seven thousand, four hundred seventy".