109645628 has 6 divisors (see below), whose sum is σ = 191879856. Its totient is φ = 54822812.

The previous prime is 109645553. The next prime is 109645633. The reversal of 109645628 is 826546901.

It is a happy number.

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 as a sum of consecutive naturals, namely, 13705700 + ... + 13705707.

It is an arithmetic number, because the mean of its divisors is an integer number (31979976).

Almost surely, 2^109645628 is an apocalyptic number.

It is an amenable number.

109645628 is a deficient number, since it is larger than the sum of its proper divisors (82234228).

109645628 is a wasteful number, since it uses less digits than its factorization.

109645628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27411411 (or 27411409 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 109645628 is about 10471.1808312148. The cubic root of 109645628 is about 478.6269033869.

The spelling of 109645628 in words is "one hundred nine million, six hundred forty-five thousand, six hundred twenty-eight".