397546 has 8 divisors (see below), whose sum is σ = 599940. Its totient is φ = 197568.

The previous prime is 397543. The next prime is 397547. The reversal of 397546 is 645793.

It can be written as a sum of positive squares in 2 ways, for example, as 378225 + 19321 = 615^2 + 139^2 .

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

It is not an unprimeable number, because it can be changed into a prime (397541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 898.

2³⁹⁷⁵⁴⁶ is an apocalyptic number.

397546 is a deficient number, since it is larger than the sum of its proper divisors (202394).

397546 is a wasteful number, since it uses less digits than its factorization.

397546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1208.

The product of its digits is 22680, while the sum is 34.

The square root of 397546 is about 630.5124899635. The cubic root of 397546 is about 73.5296438957.

The spelling of 397546 in words is "three hundred ninety-seven thousand, five hundred forty-six".