397412 has 12 divisors (see below), whose sum is σ = 705516. Its totient is φ = 195840.

The previous prime is 397379. The next prime is 397427. The reversal of 397412 is 214793.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 256036 = 376^2 + 506^2 .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 397412.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 389 + ... + 972.

It is an arithmetic number, because the mean of its divisors is an integer number (58793).

2³⁹⁷⁴¹² is an apocalyptic number.

It is an amenable number.

397412 is a deficient number, since it is larger than the sum of its proper divisors (308104).

397412 is a wasteful number, since it uses less digits than its factorization.

397412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438 (or 1436 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 397412 is about 630.4062182434. The cubic root of 397412 is about 73.5213814728.

Subtracting from 397412 its sum of digits (26), we obtain a triangular number (397386 = T₈₉₁).

The spelling of 397412 in words is "three hundred ninety-seven thousand, four hundred twelve".