1099304424 has 96 divisors (see below), whose sum is σ = 3042085800. Its totient is φ = 358525440.

The previous prime is 1099304419. The next prime is 1099304441. The reversal of 1099304424 is 4244039901.

It can be written as a sum of positive squares in 4 ways, for example, as 1087812324 + 11492100 = 32982^2 + 3390^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1005222 + ... + 1006314.

Almost surely, 2^1099304424 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 1099304424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1521042900).

1099304424 is an abundant number, since it is smaller than the sum of its proper divisors (1942781376).

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

1099304424 is a wasteful number, since it uses less digits than its factorization.

1099304424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1388 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1099304424 is about 33155.7600425627. The cubic root of 1099304424 is about 1032.0624849493.

The spelling of 1099304424 in words is "one billion, ninety-nine million, three hundred four thousand, four hundred twenty-four".