109693172 has 12 divisors (see below), whose sum is σ = 196427616. Its totient is φ = 53571000.

The previous prime is 109693153. The next prime is 109693193. The reversal of 109693172 is 271396901.

It is a happy number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318704 + ... + 319047.

It is an arithmetic number, because the mean of its divisors is an integer number (16368968).

Almost surely, 2^109693172 is an apocalyptic number.

It is an amenable number.

109693172 is a deficient number, since it is larger than the sum of its proper divisors (86734444).

109693172 is a wasteful number, since it uses less digits than its factorization.

109693172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637798 (or 637796 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 109693172 is about 10473.4508162305. The cubic root of 109693172 is about 478.6960733411.

It can be divided in two parts, 10969 and 3172, that added together give a palindrome (14141).

The spelling of 109693172 in words is "one hundred nine million, six hundred ninety-three thousand, one hundred seventy-two".