842764 has 24 divisors (see below), whose sum is σ = 1673840. Its totient is φ = 368064.

The previous prime is 842759. The next prime is 842767. The reversal of 842764 is 467248.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (842767) 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, 562 + ... + 1414.

2⁸⁴²⁷⁶⁴ is an apocalyptic number.

It is an amenable number.

842764 is a deficient number, since it is larger than the sum of its proper divisors (831076).

842764 is a wasteful number, since it uses less digits than its factorization.

842764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889 (or 887 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 842764 is about 918.0217862339. The cubic root of 842764 is about 94.4572560347.

The spelling of 842764 in words is "eight hundred forty-two thousand, seven hundred sixty-four".