1002349998 has 64 divisors (see below), whose sum is σ = 2427828480. Its totient is φ = 304681824.

The previous prime is 1002349981. The next prime is 1002350087. The reversal of 1002349998 is 8999432001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49665 + ... + 66867.

It is an arithmetic number, because the mean of its divisors is an integer number (37934820).

Almost surely, 2^1002349998 is an apocalyptic number.

1002349998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002349998, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1213914240).

1002349998 is an abundant number, since it is smaller than the sum of its proper divisors (1425478482).

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

1002349998 is a wasteful number, since it uses less digits than its factorization.

1002349998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17310 (or 17304 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 1002349998 is about 31659.9115286193. The cubic root of 1002349998 is about 1000.7827198564.

The spelling of 1002349998 in words is "one billion, two million, three hundred forty-nine thousand, nine hundred ninety-eight".