1089298986 has 16 divisors (see below), whose sum is σ = 2253722400. Its totient is φ = 350578928.

The previous prime is 1089298967. The next prime is 1089298997. The reversal of 1089298986 is 6898929801.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3129996 + ... + 3130343.

It is an arithmetic number, because the mean of its divisors is an integer number (140857650).

Almost surely, 2^1089298986 is an apocalyptic number.

1089298986 is an abundant number, since it is smaller than the sum of its proper divisors (1164423414).

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

1089298986 is a wasteful number, since it uses less digits than its factorization.

1089298986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6260373.

The product of its (nonzero) digits is 4478976, while the sum is 60.

The square root of 1089298986 is about 33004.5297800166. The cubic root of 1089298986 is about 1028.9217944023.

The spelling of 1089298986 in words is "one billion, eighty-nine million, two hundred ninety-eight thousand, nine hundred eighty-six".