109873456 has 80 divisors (see below), whose sum is σ = 268339968. Its totient is φ = 42336000.

The previous prime is 109873453. The next prime is 109873459. The reversal of 109873456 is 654378901.

It is an interprime number because it is at equal distance from previous prime (109873453) and next prime (109873459).

It is not an unprimeable number, because it can be changed into a prime (109873453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123991 + ... + 124873.

Almost surely, 2^109873456 is an apocalyptic number.

109873456 is a gapful number since it is divisible by the number (16) 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 109873456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134169984).

109873456 is an abundant number, since it is smaller than the sum of its proper divisors (158466512).

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

109873456 is a wasteful number, since it uses less digits than its factorization.

109873456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 109873456 is about 10482.0539971897. The cubic root of 109873456 is about 478.9581802249.

Subtracting 109873456 from its reverse (654378901), we obtain a palindrome (544505445).

The spelling of 109873456 in words is "one hundred nine million, eight hundred seventy-three thousand, four hundred fifty-six".