1109689344 has 99 divisors (see below), whose sum is σ = 3213464527. Its totient is φ = 368830464.

The previous prime is 1109689337. The next prime is 1109689351. The reversal of 1109689344 is 4439869011.

The square root of 1109689344 is 33312.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (1109689337) and next prime (1109689351).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1109689344.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3197779 + ... + 3198125.

Almost surely, 2^1109689344 is an apocalyptic number.

1109689344 is the 33312-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109689344

1109689344 is an abundant number, since it is smaller than the sum of its proper divisors (2103775183).

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

1109689344 is an frugal number, since it uses more digits than its factorization.

1109689344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The cubic root of 1109689344 is about 1035.3022039880.

Multiplying 1109689344 by its product of nonzero digits (186624), we get a square (207094664134656 = 14390784²).

The spelling of 1109689344 in words is "one billion, one hundred nine million, six hundred eighty-nine thousand, three hundred forty-four".