1108089906 has 64 divisors (see below), whose sum is σ = 2883188736. Its totient is φ = 275299200.

The previous prime is 1108089877. The next prime is 1108089943. The reversal of 1108089906 is 6099808011.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41515 + ... + 62766.

It is an arithmetic number, because the mean of its divisors is an integer number (45049824).

Almost surely, 2^1108089906 is an apocalyptic number.

1108089906 is an abundant number, since it is smaller than the sum of its proper divisors (1775098830).

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

1108089906 is a wasteful number, since it uses less digits than its factorization.

1108089906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104327.

The product of its (nonzero) digits is 31104, while the sum is 42.

The square root of 1108089906 is about 33287.9844087923. The cubic root of 1108089906 is about 1034.8045578361.

The spelling of 1108089906 in words is "one billion, one hundred eight million, eighty-nine thousand, nine hundred six".