109435424 has 72 divisors (see below), whose sum is σ = 254415168. Its totient is φ = 46193280.

The previous prime is 109435397. The next prime is 109435433. The reversal of 109435424 is 424534901.

It is a super-2 number, since 2×109435424² = 23952224052119552, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110837 + ... + 111819.

It is an arithmetic number, because the mean of its divisors is an integer number (3533544).

Almost surely, 2^109435424 is an apocalyptic number.

109435424 is a gapful number since it is divisible by the number (14) 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 109435424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127207584).

109435424 is an abundant number, since it is smaller than the sum of its proper divisors (144979744).

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

109435424 is an equidigital number, since it uses as much as digits as its factorization.

109435424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078 (or 1063 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 109435424 is about 10461.1387525451. The cubic root of 109435424 is about 478.3208457312.

The spelling of 109435424 in words is "one hundred nine million, four hundred thirty-five thousand, four hundred twenty-four".