809340490 has 16 divisors (see below), whose sum is σ = 1664929152. Its totient is φ = 277488144.

The previous prime is 809340463. The next prime is 809340509. The reversal of 809340490 is 94043908.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5780934 + ... + 5781073.

It is an arithmetic number, because the mean of its divisors is an integer number (104058072).

Almost surely, 2^809340490 is an apocalyptic number.

809340490 is an abundant number, since it is smaller than the sum of its proper divisors (855588662).

809340490 is a wasteful number, since it uses less digits than its factorization.

809340490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11562021.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 809340490 is about 28448.9101724477. The cubic root of 809340490 is about 931.9166891522.

The spelling of 809340490 in words is "eight hundred nine million, three hundred forty thousand, four hundred ninety".