804342 has 32 divisors (see below), whose sum is σ = 2006784. Its totient is φ = 208800.

The previous prime is 804341. The next prime is 804367. The reversal of 804342 is 243408.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 409 + ... + 1332.

It is an arithmetic number, because the mean of its divisors is an integer number (62712).

2⁸⁰⁴³⁴² is an apocalyptic number.

804342 is an abundant number, since it is smaller than the sum of its proper divisors (1202442).

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

804342 is a wasteful number, since it uses less digits than its factorization.

804342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 804342 is about 896.8511582197. The cubic root of 804342 is about 92.9994218949. Note that the first 3 decimals are identical.

The spelling of 804342 in words is "eight hundred four thousand, three hundred forty-two".