800429904 has 80 divisors (see below), whose sum is σ = 2432701440. Its totient is φ = 251112960.

The previous prime is 800429897. The next prime is 800429933. The reversal of 800429904 is 409924008.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 47152 + ... + 61839.

It is an arithmetic number, because the mean of its divisors is an integer number (30408768).

Almost surely, 2^800429904 is an apocalyptic number.

It is an amenable number.

800429904 is an abundant number, since it is smaller than the sum of its proper divisors (1632271536).

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

800429904 is a wasteful number, since it uses less digits than its factorization.

800429904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109025 (or 109013 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 800429904 is about 28291.8699275958. The cubic root of 800429904 is about 928.4840234123.

The spelling of 800429904 in words is "eight hundred million, four hundred twenty-nine thousand, nine hundred four".