397846 has 8 divisors (see below), whose sum is σ = 605880. Its totient is φ = 195888.

The previous prime is 397829. The next prime is 397849. The reversal of 397846 is 648793.

397846 is nontrivially palindromic in base 16.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397849) by changing a digit.

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, 1351 + ... + 1618.

It is an arithmetic number, because the mean of its divisors is an integer number (75735).

2³⁹⁷⁸⁴⁶ is an apocalyptic number.

397846 is a deficient number, since it is larger than the sum of its proper divisors (208034).

397846 is a wasteful number, since it uses less digits than its factorization.

397846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038.

The product of its digits is 36288, while the sum is 37.

The square root of 397846 is about 630.7503468093. The cubic root of 397846 is about 73.5481351284.

The spelling of 397846 in words is "three hundred ninety-seven thousand, eight hundred forty-six".