920685 has 8 divisors (see below), whose sum is σ = 1473120. Its totient is φ = 491024.

The previous prime is 920677. The next prime is 920687. The reversal of 920685 is 586029.

920685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 920685 - 2³ = 920677 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 920685.

It is not an unprimeable number, because it can be changed into a prime (920687) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30675 + ... + 30704.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

2⁹²⁰⁶⁸⁵ is an apocalyptic number.

It is an amenable number.

920685 is a deficient number, since it is larger than the sum of its proper divisors (552435).

920685 is a wasteful number, since it uses less digits than its factorization.

920685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61387.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 920685 is about 959.5233191538. The cubic root of 920685 is about 97.2830151605.

The spelling of 920685 in words is "nine hundred twenty thousand, six hundred eighty-five".