809090974 has 8 divisors (see below), whose sum is σ = 1230261840. Its totient is φ = 399003696.

The previous prime is 809090963. The next prime is 809090983. The reversal of 809090974 is 479090908.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770714 + ... + 2771005.

It is an arithmetic number, because the mean of its divisors is an integer number (153782730).

Almost surely, 2^809090974 is an apocalyptic number.

809090974 is a deficient number, since it is larger than the sum of its proper divisors (421170866).

809090974 is a wasteful number, since it uses less digits than its factorization.

809090974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541794.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 809090974 is about 28444.5244994533. The cubic root of 809090974 is about 931.8209107469.

The spelling of 809090974 in words is "eight hundred nine million, ninety thousand, nine hundred seventy-four".