397286 has 8 divisors (see below), whose sum is σ = 598944. Its totient is φ = 197640.

The previous prime is 397283. The next prime is 397289. The reversal of 397286 is 682793.

It is an interprime number because it is at equal distance from previous prime (397283) and next prime (397289).

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 (397283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176 + ... + 908.

It is an arithmetic number, because the mean of its divisors is an integer number (74868).

2³⁹⁷²⁸⁶ is an apocalyptic number.

397286 is a deficient number, since it is larger than the sum of its proper divisors (201658).

397286 is a wasteful number, since it uses less digits than its factorization.

397286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006.

The product of its digits is 18144, while the sum is 35.

The square root of 397286 is about 630.3062747585. The cubic root of 397286 is about 73.5136106345.

The spelling of 397286 in words is "three hundred ninety-seven thousand, two hundred eighty-six".