801628590 has 32 divisors (see below), whose sum is σ = 2198753280. Its totient is φ = 183229344.

The previous prime is 801628589. The next prime is 801628609. The reversal of 801628590 is 95826108.

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 15 ways as a sum of consecutive naturals, for example, 1908430 + ... + 1908849.

It is an arithmetic number, because the mean of its divisors is an integer number (68711040).

Almost surely, 2^801628590 is an apocalyptic number.

801628590 is an abundant number, since it is smaller than the sum of its proper divisors (1397124690).

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

801628590 is a wasteful number, since it uses less digits than its factorization.

801628590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817296.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 801628590 is about 28313.0462861205. The cubic root of 801628590 is about 928.9472768397.

The spelling of 801628590 in words is "eight hundred one million, six hundred twenty-eight thousand, five hundred ninety".