801945896 has 32 divisors (see below), whose sum is σ = 1630941480. Its totient is φ = 368179200.

The previous prime is 801945889. The next prime is 801945929. The reversal of 801945896 is 698549108.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 546904996 + 255040900 = 23386^2 + 15970^2 .

It is a super-2 number, since 2×801945896² = 1286234440222485632, which contains 22 as substring.

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, 66335 + ... + 77486.

Almost surely, 2^801945896 is an apocalyptic number.

It is an amenable number.

801945896 is an abundant number, since it is smaller than the sum of its proper divisors (828995584).

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

801945896 is a wasteful number, since it uses less digits than its factorization.

801945896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143885 (or 143881 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 50.

The square root of 801945896 is about 28318.6492615732. The cubic root of 801945896 is about 929.0698280500.

The spelling of 801945896 in words is "eight hundred one million, nine hundred forty-five thousand, eight hundred ninety-six".