109840965 has 16 divisors (see below), whose sum is σ = 189264768. Its totient is φ = 54075456.

The previous prime is 109840943. The next prime is 109840979. The reversal of 109840965 is 569048901.

It is not a de Polignac number, because 109840965 - 2⁹ = 109840453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281449 + ... + 281838.

It is an arithmetic number, because the mean of its divisors is an integer number (11829048).

Almost surely, 2^109840965 is an apocalyptic number.

109840965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109840965 is a deficient number, since it is larger than the sum of its proper divisors (79423803).

109840965 is a wasteful number, since it uses less digits than its factorization.

109840965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563308.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 109840965 is about 10480.5040432223. The cubic root of 109840965 is about 478.9109641971.

The spelling of 109840965 in words is "one hundred nine million, eight hundred forty thousand, nine hundred sixty-five".