397454 has 16 divisors (see below), whose sum is σ = 632016. Its totient is φ = 187200.

The previous prime is 397433. The next prime is 397459. The reversal of 397454 is 454793.

It is a self number, because there is not a number n which added to its sum of digits gives 397454.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2969 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (39501).

2³⁹⁷⁴⁵⁴ is an apocalyptic number.

397454 is a deficient number, since it is larger than the sum of its proper divisors (234562).

397454 is a wasteful number, since it uses less digits than its factorization.

397454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211.

The product of its digits is 15120, while the sum is 32.

The square root of 397454 is about 630.4395292175. The cubic root of 397454 is about 73.5239713873.

The spelling of 397454 in words is "three hundred ninety-seven thousand, four hundred fifty-four".