804142894 has 8 divisors (see below), whose sum is σ = 1206466200. Its totient is φ = 401987496.

The previous prime is 804142879. The next prime is 804142921. The reversal of 804142894 is 498241408.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29229 + ... + 49624.

It is an arithmetic number, because the mean of its divisors is an integer number (150808275).

Almost surely, 2^804142894 is an apocalyptic number.

804142894 is a deficient number, since it is larger than the sum of its proper divisors (402323306).

804142894 is a wasteful number, since it uses less digits than its factorization.

804142894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83954.

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 804142894 is about 28357.4133869787. The cubic root of 804142894 is about 929.9174760088.

The spelling of 804142894 in words is "eight hundred four million, one hundred forty-two thousand, eight hundred ninety-four".