800438430 has 128 divisors (see below), whose sum is σ = 2148249600. Its totient is φ = 189250560.

The previous prime is 800438423. The next prime is 800438473. The reversal of 800438430 is 34834008.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3589299 + ... + 3589521.

It is an arithmetic number, because the mean of its divisors is an integer number (16783200).

Almost surely, 2^800438430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800438430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074124800).

800438430 is an abundant number, since it is smaller than the sum of its proper divisors (1347811170).

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

800438430 is a wasteful number, since it uses less digits than its factorization.

800438430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 800438430 is about 28292.0206065244. The cubic root of 800438430 is about 928.4873200685.

The spelling of 800438430 in words is "eight hundred million, four hundred thirty-eight thousand, four hundred thirty".