397458 has 24 divisors (see below), whose sum is σ = 876096. Its totient is φ = 130200.

The previous prime is 397433. The next prime is 397459. The reversal of 397458 is 854793.

It is not an unprimeable number, because it can be changed into a prime (397459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1123 + ... + 1433.

It is an arithmetic number, because the mean of its divisors is an integer number (36504).

2³⁹⁷⁴⁵⁸ is an apocalyptic number.

397458 is an abundant number, since it is smaller than the sum of its proper divisors (478638).

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

397458 is a wasteful number, since it uses less digits than its factorization.

397458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 397458 is about 630.4427015994. The cubic root of 397458 is about 73.5242180363.

It can be divided in two parts, 3 and 97458, that added together give a triangular number (97461 = T₄₄₁).

The spelling of 397458 in words is "three hundred ninety-seven thousand, four hundred fifty-eight".