804187434 has 16 divisors (see below), whose sum is σ = 1614785760. Its totient is φ = 266994000.

The previous prime is 804187427. The next prime is 804187459. The reversal of 804187434 is 434781408.

It is a junction number, because it is equal to n+sod(n) for n = 804187392 and 804187401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265489 + ... + 268500.

It is an arithmetic number, because the mean of its divisors is an integer number (100924110).

Almost surely, 2^804187434 is an apocalyptic number.

804187434 is an abundant number, since it is smaller than the sum of its proper divisors (810598326).

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

804187434 is a wasteful number, since it uses less digits than its factorization.

804187434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534245.

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 804187434 is about 28358.1987086627. The cubic root of 804187434 is about 929.9346444996.

The spelling of 804187434 in words is "eight hundred four million, one hundred eighty-seven thousand, four hundred thirty-four".