397346 has 4 divisors (see below), whose sum is σ = 596022. Its totient is φ = 198672.

The previous prime is 397337. The next prime is 397351. The reversal of 397346 is 643793.

397346 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 373321 + 24025 = 611^2 + 155^2 .

It is a d-powerful number, because it can be written as 3¹⁰ + 9² + 3¹⁰ + 7⁵ + 4⁹ + 6³ .

It is a Curzon number.

It is an unprimeable number.

397346 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99335 + ... + 99338.

2³⁹⁷³⁴⁶ is an apocalyptic number.

397346 is a deficient number, since it is larger than the sum of its proper divisors (198676).

397346 is a wasteful number, since it uses less digits than its factorization.

397346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198675.

The product of its digits is 13608, while the sum is 32.

The square root of 397346 is about 630.3538688705. The cubic root of 397346 is about 73.5173112386.

The spelling of 397346 in words is "three hundred ninety-seven thousand, three hundred forty-six".