997385 has 8 divisors (see below), whose sum is σ = 1224960. Its totient is φ = 779184.

The previous prime is 997379. The next prime is 997391. The reversal of 997385 is 583799.

It is an interprime number because it is at equal distance from previous prime (997379) and next prime (997391).

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

It is a cyclic number.

It is not a de Polignac number, because 997385 - 2⁴ = 997369 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105 + ... + 2534.

It is an arithmetic number, because the mean of its divisors is an integer number (153120).

2⁹⁹⁷³⁸⁵ is an apocalyptic number.

It is an amenable number.

997385 is a deficient number, since it is larger than the sum of its proper divisors (227575).

997385 is a wasteful number, since it uses less digits than its factorization.

997385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687.

The product of its digits is 68040, while the sum is 41.

The square root of 997385 is about 998.6916441024. The cubic root of 997385 is about 99.9127572425.

The spelling of 997385 in words is "nine hundred ninety-seven thousand, three hundred eighty-five".