801899602 has 12 divisors (see below), whose sum is σ = 1399233150. Its totient is φ = 343671216.

The previous prime is 801899597. The next prime is 801899633. The reversal of 801899602 is 206998108.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 757955961 + 43943641 = 27531^2 + 6629^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4091227 + ... + 4091422.

Almost surely, 2^801899602 is an apocalyptic number.

801899602 is a deficient number, since it is larger than the sum of its proper divisors (597333548).

801899602 is a wasteful number, since it uses less digits than its factorization.

801899602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8182665 (or 8182658 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 801899602 is about 28317.8318732208. The cubic root of 801899602 is about 929.0519502079.

The spelling of 801899602 in words is "eight hundred one million, eight hundred ninety-nine thousand, six hundred two".