109291983 has 8 divisors (see below), whose sum is σ = 145788288. Its totient is φ = 72828504.

The previous prime is 109291979. The next prime is 109291991. The reversal of 109291983 is 389192901.

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

It is not a de Polignac number, because 109291983 - 2² = 109291979 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109291913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1060 + ... + 14822.

It is an arithmetic number, because the mean of its divisors is an integer number (18223536).

Almost surely, 2^109291983 is an apocalyptic number.

109291983 is a deficient number, since it is larger than the sum of its proper divisors (36496305).

109291983 is a wasteful number, since it uses less digits than its factorization.

109291983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413.

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 109291983 is about 10454.2806065267. The cubic root of 109291983 is about 478.1117701666. Note that the first 3 decimals are identical.

The spelling of 109291983 in words is "one hundred nine million, two hundred ninety-one thousand, nine hundred eighty-three".