1109850984 has 384 divisors, whose sum is σ = 3736212480. Its totient is φ = 304819200.

The previous prime is 1109850979. The next prime is 1109850991. The reversal of 1109850984 is 4890589011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15631669 + ... + 15631739.

It is an arithmetic number, because the mean of its divisors is an integer number (9729720).

Almost surely, 2^1109850984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109850984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1868106240).

1109850984 is an abundant number, since it is smaller than the sum of its proper divisors (2626361496).

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

1109850984 is a wasteful number, since it uses less digits than its factorization.

1109850984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 1109850984 is about 33314.4260643944. The cubic root of 1109850984 is about 1035.3524697447.

The spelling of 1109850984 in words is "one billion, one hundred nine million, eight hundred fifty thousand, nine hundred eighty-four".