109738685 has 24 divisors (see below), whose sum is σ = 153790560. Its totient is φ = 74952864.

The previous prime is 109738613. The next prime is 109738703. The reversal of 109738685 is 586837901.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-109738685 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74486 + ... + 75944.

It is an arithmetic number, because the mean of its divisors is an integer number (6407940).

Almost surely, 2^109738685 is an apocalyptic number.

It is an amenable number.

109738685 is a deficient number, since it is larger than the sum of its proper divisors (44051875).

109738685 is a wasteful number, since it uses less digits than its factorization.

109738685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The square root of 109738685 is about 10475.6233704730. The cubic root of 109738685 is about 478.7622697490.

The spelling of 109738685 in words is "one hundred nine million, seven hundred thirty-eight thousand, six hundred eighty-five".