801898920 has 64 divisors (see below), whose sum is σ = 2673000000. Its totient is φ = 213839424.

The previous prime is 801898919. The next prime is 801898927. The reversal of 801898920 is 29898108.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (801898927) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 370170 + ... + 372329.

It is an arithmetic number, because the mean of its divisors is an integer number (41765625).

Almost surely, 2^801898920 is an apocalyptic number.

It is an amenable number.

801898920 is an abundant number, since it is smaller than the sum of its proper divisors (1871101080).

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

801898920 is a wasteful number, since it uses less digits than its factorization.

801898920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742519 (or 742509 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 45.

The square root of 801898920 is about 28317.8198313359. The cubic root of 801898920 is about 929.0516868277.

The spelling of 801898920 in words is "eight hundred one million, eight hundred ninety-eight thousand, nine hundred twenty".