1002869998 has 24 divisors (see below), whose sum is σ = 1635550056. Its totient is φ = 460980000.

The previous prime is 1002869969. The next prime is 1002870007. The reversal of 1002869998 is 8999682001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78928 + ... + 90748.

It is an arithmetic number, because the mean of its divisors is an integer number (68147919).

Almost surely, 2^1002869998 is an apocalyptic number.

1002869998 is a deficient number, since it is larger than the sum of its proper divisors (632680058).

1002869998 is a wasteful number, since it uses less digits than its factorization.

1002869998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12100 (or 12087 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 52.

The square root of 1002869998 is about 31668.1227419625. The cubic root of 1002869998 is about 1000.9557522466.

The spelling of 1002869998 in words is "one billion, two million, eight hundred sixty-nine thousand, nine hundred ninety-eight".