942804 has 18 divisors (see below), whose sum is σ = 2383290. Its totient is φ = 314256.

The previous prime is 942787. The next prime is 942811. The reversal of 942804 is 408249.

942804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 898704 + 44100 = 948^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

942804 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13059 + ... + 13130.

It is an arithmetic number, because the mean of its divisors is an integer number (132405).

2⁹⁴²⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

942804 is an abundant number, since it is smaller than the sum of its proper divisors (1440486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

942804 is a wasteful number, since it uses less digits than its factorization.

942804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26199 (or 26194 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 942804 is about 970.9809472899. The cubic root of 942804 is about 98.0559169989.

The spelling of 942804 in words is "nine hundred forty-two thousand, eight hundred four".