999998802 has 48 divisors (see below), whose sum is σ = 2388046752. Its totient is φ = 299900160.

The previous prime is 999998801. The next prime is 999998843. The reversal of 999998802 is 208899999.

It is a super-4 number, since 4×999998802⁴ (a number of 37 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 999998802.

It is not an unprimeable number, because it can be changed into a prime (999998801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6828 + ... + 45239.

It is an arithmetic number, because the mean of its divisors is an integer number (49750974).

Almost surely, 2^999998802 is an apocalyptic number.

999998802 is an abundant number, since it is smaller than the sum of its proper divisors (1388047950).

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

999998802 is a wasteful number, since it uses less digits than its factorization.

999998802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52183 (or 52180 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 63.

The square root of 999998802 is about 31622.7576596349. The cubic root of 999998802 is about 999.9996006665. Note that the first 3 decimals are identical.

It can be divided in two parts, 99999 and 8802, that added together give a palindrome (108801).

The spelling of 999998802 in words is "nine hundred ninety-nine million, nine hundred ninety-eight thousand, eight hundred two".