109272408 has 64 divisors (see below), whose sum is σ = 316638720. Its totient is φ = 30777600.

The previous prime is 109272407. The next prime is 109272409. The reversal of 109272408 is 804272901.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (109272407) and next prime (109272409).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109272403) by changing a digit.

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, 7348 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (4947480).

Almost surely, 2^109272408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109272408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158319360).

109272408 is an abundant number, since it is smaller than the sum of its proper divisors (207366312).

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

109272408 is a wasteful number, since it uses less digits than its factorization.

109272408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9248 (or 9244 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 109272408 is about 10453.3443452323. The cubic root of 109272408 is about 478.0832240145.

The spelling of 109272408 in words is "one hundred nine million, two hundred seventy-two thousand, four hundred eight".