802280844 has 72 divisors (see below), whose sum is σ = 2053775360. Its totient is φ = 264049632.

The previous prime is 802280839. The next prime is 802280849. The reversal of 802280844 is 448082208.

It is an interprime number because it is at equal distance from previous prime (802280839) and next prime (802280849).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 802280799 and 802280808.

It is not an unprimeable number, because it can be changed into a prime (802280849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1732557 + ... + 1733019.

Almost surely, 2^802280844 is an apocalyptic number.

It is an amenable number.

802280844 is an abundant number, since it is smaller than the sum of its proper divisors (1251494516).

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

802280844 is a wasteful number, since it uses less digits than its factorization.

802280844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 802280844 is about 28324.5625561985. The cubic root of 802280844 is about 929.1991579577.

The spelling of 802280844 in words is "eight hundred two million, two hundred eighty thousand, eight hundred forty-four".