397146 has 8 divisors (see below), whose sum is σ = 794304. Its totient is φ = 132380.

The previous prime is 397127. The next prime is 397151. The reversal of 397146 is 641793.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

397146 is an admirable number.

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, 33090 + ... + 33101.

It is an arithmetic number, because the mean of its divisors is an integer number (99288).

2³⁹⁷¹⁴⁶ is an apocalyptic number.

397146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

397146 is a wasteful number, since it uses less digits than its factorization.

397146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66196.

The product of its digits is 4536, while the sum is 30.

The square root of 397146 is about 630.1952078523. The cubic root of 397146 is about 73.5049744424.

The spelling of 397146 in words is "three hundred ninety-seven thousand, one hundred forty-six".