768985 has 16 divisors (see below), whose sum is σ = 1069056. Its totient is φ = 520128.

The previous prime is 768983. The next prime is 769003. The reversal of 768985 is 589867.

It is a happy number.

It is not a de Polignac number, because 768985 - 2¹ = 768983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (768983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4359 + ... + 4531.

It is an arithmetic number, because the mean of its divisors is an integer number (66816).

2⁷⁶⁸⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

768985 is a deficient number, since it is larger than the sum of its proper divisors (300071).

768985 is a wasteful number, since it uses less digits than its factorization.

768985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its digits is 120960, while the sum is 43.

The square root of 768985 is about 876.9178980954. The cubic root of 768985 is about 91.6162734955.

Subtracting from 768985 its product of digits (120960), we obtain a square (648025 = 805²).

The spelling of 768985 in words is "seven hundred sixty-eight thousand, nine hundred eighty-five".