109499817 has 8 divisors (see below), whose sum is σ = 166856896. Its totient is φ = 62571312.

The previous prime is 109499813. The next prime is 109499827. The reversal of 109499817 is 718994901.

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

It is not a de Polignac number, because 109499817 - 2² = 109499813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109499813) 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, 2607118 + ... + 2607159.

It is an arithmetic number, because the mean of its divisors is an integer number (20857112).

Almost surely, 2^109499817 is an apocalyptic number.

It is an amenable number.

109499817 is a deficient number, since it is larger than the sum of its proper divisors (57357079).

109499817 is an equidigital number, since it uses as much as digits as its factorization.

109499817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214287.

The product of its (nonzero) digits is 163296, while the sum is 48.

The square root of 109499817 is about 10464.2160241463. The cubic root of 109499817 is about 478.4146437415.

The spelling of 109499817 in words is "one hundred nine million, four hundred ninety-nine thousand, eight hundred seventeen".