397683 has 32 divisors (see below), whose sum is σ = 698880. Its totient is φ = 220320.

The previous prime is 397673. The next prime is 397687. The reversal of 397683 is 386793.

It is not a de Polignac number, because 397683 - 2⁸ = 397427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397687) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3810 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (21840).

2³⁹⁷⁶⁸³ is an apocalyptic number.

397683 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

397683 is a deficient number, since it is larger than the sum of its proper divisors (301197).

397683 is a wasteful number, since it uses less digits than its factorization.

397683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 130 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 397683 is about 630.6211223865. The cubic root of 397683 is about 73.5380893790.

The spelling of 397683 in words is "three hundred ninety-seven thousand, six hundred eighty-three".