1002989198 has 8 divisors (see below), whose sum is σ = 1569896208. Its totient is φ = 479690464.

The previous prime is 1002989153. The next prime is 1002989201. The reversal of 1002989198 is 8919892001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1002989198³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10902011 + ... + 10902102.

It is an arithmetic number, because the mean of its divisors is an integer number (196237026).

Almost surely, 2^1002989198 is an apocalyptic number.

1002989198 is a deficient number, since it is larger than the sum of its proper divisors (566907010).

1002989198 is a wasteful number, since it uses less digits than its factorization.

1002989198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21804138.

The product of its (nonzero) digits is 93312, while the sum is 47.

The square root of 1002989198 is about 31670.0047047676. The cubic root of 1002989198 is about 1000.9954081672.

The spelling of 1002989198 in words is "one billion, two million, nine hundred eighty-nine thousand, one hundred ninety-eight".