109638208 has 28 divisors (see below), whose sum is σ = 229016560. Its totient is φ = 51933312.

The previous prime is 109638203. The next prime is 109638229. The reversal of 109638208 is 802836901.

It is not an unprimeable number, because it can be changed into a prime (109638203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43866 + ... + 46297.

Almost surely, 2^109638208 is an apocalyptic number.

It is an amenable number.

109638208 is an abundant number, since it is smaller than the sum of its proper divisors (119378352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109638208 is an equidigital number, since it uses as much as digits as its factorization.

109638208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90194 (or 90184 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 109638208 is about 10470.8265194301. The cubic root of 109638208 is about 478.6161065079.

It can be divided in two parts, 1096 and 38208, that added together give a cube (39304 = 34³).

The spelling of 109638208 in words is "one hundred nine million, six hundred thirty-eight thousand, two hundred eight".