809471498 has 16 divisors (see below), whose sum is σ = 1332252576. Its totient is φ = 365813040.

The previous prime is 809471477. The next prime is 809471501. The reversal of 809471498 is 894174908.

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, 102536 + ... + 110147.

It is an arithmetic number, because the mean of its divisors is an integer number (83265786).

Almost surely, 2^809471498 is an apocalyptic number.

809471498 is a deficient number, since it is larger than the sum of its proper divisors (522781078).

809471498 is a wasteful number, since it uses less digits than its factorization.

809471498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212869.

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 809471498 is about 28451.2125927877. The cubic root of 809471498 is about 931.9669695785.

The spelling of 809471498 in words is "eight hundred nine million, four hundred seventy-one thousand, four hundred ninety-eight".