804523826 has 4 divisors (see below), whose sum is σ = 1206785742. Its totient is φ = 402261912.

The previous prime is 804523817. The next prime is 804523849. The reversal of 804523826 is 628325408.

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., 781146601 + 23377225 = 27949^2 + 4835^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 804523826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201130955 + ... + 201130958.

Almost surely, 2^804523826 is an apocalyptic number.

804523826 is a deficient number, since it is larger than the sum of its proper divisors (402261916).

804523826 is a wasteful number, since it uses less digits than its factorization.

804523826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402261915.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 804523826 is about 28364.1292127927. The cubic root of 804523826 is about 930.0642904644.

The spelling of 804523826 in words is "eight hundred four million, five hundred twenty-three thousand, eight hundred twenty-six".