397246 has 4 divisors (see below), whose sum is σ = 595872. Its totient is φ = 198622.

The previous prime is 397237. The next prime is 397253. The reversal of 397246 is 642793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 642793 = 443 ⋅1451.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

397246 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99310 + ... + 99313.

It is an arithmetic number, because the mean of its divisors is an integer number (148968).

2³⁹⁷²⁴⁶ is an apocalyptic number.

397246 is a deficient number, since it is larger than the sum of its proper divisors (198626).

397246 is a wasteful number, since it uses less digits than its factorization.

397246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198625.

The product of its digits is 9072, while the sum is 31.

The square root of 397246 is about 630.2745433539. The cubic root of 397246 is about 73.5111433581.

The spelling of 397246 in words is "three hundred ninety-seven thousand, two hundred forty-six".