109243008 has 384 divisors, whose sum is σ = 407347200. Its totient is φ = 27371520.

The previous prime is 109243007. The next prime is 109243021. The reversal of 109243008 is 800342901.

It is a tau number, because it is divible by the number of its divisors (384).

It is not an unprimeable number, because it can be changed into a prime (109243007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3523953 + ... + 3523983.

It is an arithmetic number, because the mean of its divisors is an integer number (1060800).

Almost surely, 2^109243008 is an apocalyptic number.

109243008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109243008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (203673600).

109243008 is an abundant number, since it is smaller than the sum of its proper divisors (298104192).

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

109243008 is a wasteful number, since it uses less digits than its factorization.

109243008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 109243008 is about 10451.9380021123. The cubic root of 109243008 is about 478.0403436943.

Adding to 109243008 its reverse (800342901), we get a palindrome (909585909).

It can be divided in two parts, 1092 and 43008, that added together give a square (44100 = 210²).

The spelling of 109243008 in words is "one hundred nine million, two hundred forty-three thousand, eight".