109343638 has 32 divisors (see below), whose sum is σ = 173365920. Its totient is φ = 51671040.

The previous prime is 109343629. The next prime is 109343653. The reversal of 109343638 is 836343901.

It is a junction number, because it is equal to n+sod(n) for n = 109343597 and 109343606.

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 15 ways as a sum of consecutive naturals, for example, 469170 + ... + 469402.

It is an arithmetic number, because the mean of its divisors is an integer number (5417685).

Almost surely, 2^109343638 is an apocalyptic number.

109343638 is a deficient number, since it is larger than the sum of its proper divisors (64022282).

109343638 is a wasteful number, since it uses less digits than its factorization.

109343638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 109343638 is about 10456.7508337915. The cubic root of 109343638 is about 478.1870821062.

The spelling of 109343638 in words is "one hundred nine million, three hundred forty-three thousand, six hundred thirty-eight".