800428215 has 32 divisors (see below), whose sum is σ = 1357756416. Its totient is φ = 401950080.

The previous prime is 800428183. The next prime is 800428229. The reversal of 800428215 is 512824008.

It is not a de Polignac number, because 800428215 - 2⁵ = 800428183 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6057 + ... + 40466.

It is an arithmetic number, because the mean of its divisors is an integer number (42429888).

Almost surely, 2^800428215 is an apocalyptic number.

800428215 is a deficient number, since it is larger than the sum of its proper divisors (557328201).

800428215 is a wasteful number, since it uses less digits than its factorization.

800428215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46599.

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 800428215 is about 28291.8400780154. The cubic root of 800428215 is about 928.4833703421.

The spelling of 800428215 in words is "eight hundred million, four hundred twenty-eight thousand, two hundred fifteen".