109696621 has 8 divisors (see below), whose sum is σ = 112488320. Its totient is φ = 106939008.

The previous prime is 109696603. The next prime is 109696651. The reversal of 109696621 is 126696901.

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

It is not a de Polignac number, because 109696621 - 2⁹ = 109696109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109696651) 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, 1941 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (14061040).

Almost surely, 2^109696621 is an apocalyptic number.

It is an amenable number.

109696621 is a deficient number, since it is larger than the sum of its proper divisors (2791699).

109696621 is an equidigital number, since it uses as much as digits as its factorization.

109696621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 109696621 is about 10473.6154693592. The cubic root of 109696621 is about 478.7010903822.

The spelling of 109696621 in words is "one hundred nine million, six hundred ninety-six thousand, six hundred twenty-one".