109690528 has 72 divisors (see below), whose sum is σ = 237894300. Its totient is φ = 49717248.

The previous prime is 109690523. The next prime is 109690531. The reversal of 109690528 is 825096901.

It can be written as a sum of positive squares in 6 ways, for example, as 103795344 + 5895184 = 10188^2 + 2428^2 .

It is not an unprimeable number, because it can be changed into a prime (109690523) 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 11 ways as a sum of consecutive naturals, for example, 267988 + ... + 268396.

Almost surely, 2^109690528 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 109690528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118947150).

109690528 is an abundant number, since it is smaller than the sum of its proper divisors (128203772).

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

109690528 is a wasteful number, since it uses less digits than its factorization.

109690528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 457 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 109690528 is about 10473.3245915516. The cubic root of 109690528 is about 478.6922272111.

The spelling of 109690528 in words is "one hundred nine million, six hundred ninety thousand, five hundred twenty-eight".