1002208896 has 128 divisors (see below), whose sum is σ = 3185582400. Its totient is φ = 308358144.

The previous prime is 1002208873. The next prime is 1002208901. The reversal of 1002208896 is 6988022001.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1002208896.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 33775 + ... + 56081.

Almost surely, 2^1002208896 is an apocalyptic number.

1002208896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1002208896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1592791200).

1002208896 is an abundant number, since it is smaller than the sum of its proper divisors (2183373504).

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

1002208896 is a wasteful number, since it uses less digits than its factorization.

1002208896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22343 (or 22325 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 1002208896 is about 31657.6830485113. The cubic root of 1002208896 is about 1000.7357571953.

The spelling of 1002208896 in words is "one billion, two million, two hundred eight thousand, eight hundred ninety-six".