1098911086 has 64 divisors (see below), whose sum is σ = 2073318912. Its totient is φ = 425284992.

The previous prime is 1098911083. The next prime is 1098911141. The reversal of 1098911086 is 6801198901.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1098911081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2767840 + ... + 2768236.

It is an arithmetic number, because the mean of its divisors is an integer number (32395608).

Almost surely, 2^1098911086 is an apocalyptic number.

1098911086 is a deficient number, since it is larger than the sum of its proper divisors (974407826).

1098911086 is a wasteful number, since it uses less digits than its factorization.

1098911086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713.

The product of its (nonzero) digits is 31104, while the sum is 43.

The square root of 1098911086 is about 33149.8278426902. The cubic root of 1098911086 is about 1031.9393774607.

The spelling of 1098911086 in words is "one billion, ninety-eight million, nine hundred eleven thousand, eighty-six".