800146839 has 32 divisors (see below), whose sum is σ = 1134028800. Its totient is φ = 500797440.

The previous prime is 800146813. The next prime is 800146861. The reversal of 800146839 is 938641008.

It is not a de Polignac number, because 800146839 - 2²¹ = 798049687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 800146797 and 800146806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800146339) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1247959 + ... + 1248599.

It is an arithmetic number, because the mean of its divisors is an integer number (35438400).

Almost surely, 2^800146839 is an apocalyptic number.

800146839 is a deficient number, since it is larger than the sum of its proper divisors (333881961).

800146839 is a wasteful number, since it uses less digits than its factorization.

800146839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 975.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 800146839 is about 28286.8668996763. The cubic root of 800146839 is about 928.3745604365.

The spelling of 800146839 in words is "eight hundred million, one hundred forty-six thousand, eight hundred thirty-nine".