397342 has 8 divisors (see below), whose sum is σ = 650232. Its totient is φ = 180600.

The previous prime is 397337. The next prime is 397351. The reversal of 397342 is 243793.

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

It is a self number, because there is not a number n which added to its sum of digits gives 397342.

It is a congruent number.

It is an unprimeable number.

397342 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 (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9009 + ... + 9052.

It is an arithmetic number, because the mean of its divisors is an integer number (81279).

2³⁹⁷³⁴² is an apocalyptic number.

397342 is a deficient number, since it is larger than the sum of its proper divisors (252890).

397342 is a wasteful number, since it uses less digits than its factorization.

397342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18074.

The product of its digits is 4536, while the sum is 28.

The square root of 397342 is about 630.3506960415. The cubic root of 397342 is about 73.5170645432.

It can be divided in two parts, 39 and 7342, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 397342 in words is "three hundred ninety-seven thousand, three hundred forty-two".