804442 has 4 divisors (see below), whose sum is σ = 1206666. Its totient is φ = 402220.

The previous prime is 804409. The next prime is 804443. The reversal of 804442 is 244408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 609961 + 194481 = 781^2 + 441^2 .

It is not an unprimeable number, because it can be changed into a prime (804443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201109 + ... + 201112.

2⁸⁰⁴⁴⁴² is an apocalyptic number.

804442 is a deficient number, since it is larger than the sum of its proper divisors (402224).

804442 is a wasteful number, since it uses less digits than its factorization.

804442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402223.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 804442 is about 896.9069070979. The cubic root of 804442 is about 93.0032757932.

The spelling of 804442 in words is "eight hundred four thousand, four hundred forty-two".