397330886 has 8 divisors (see below), whose sum is σ = 596173944. Its totient is φ = 198606240.

The previous prime is 397330873. The next prime is 397330889. The reversal of 397330886 is 688033793.

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 397330886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397330889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20675 + ... + 34958.

It is an arithmetic number, because the mean of its divisors is an integer number (74521743).

Almost surely, 2^397330886 is an apocalyptic number.

397330886 is a deficient number, since it is larger than the sum of its proper divisors (198843058).

397330886 is a wasteful number, since it uses less digits than its factorization.

397330886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59206.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 397330886 is about 19933.1604619037. The cubic root of 397330886 is about 735.1637909149.

The spelling of 397330886 in words is "three hundred ninety-seven million, three hundred thirty thousand, eight hundred eighty-six".