1099352436 has 288 divisors, whose sum is σ = 3464213760. Its totient is φ = 269837568.

The previous prime is 1099352383. The next prime is 1099352453. The reversal of 1099352436 is 6342539901.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 29712210 + ... + 29712246.

It is an arithmetic number, because the mean of its divisors is an integer number (12028520).

Almost surely, 2^1099352436 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 1099352436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1732106880).

1099352436 is an abundant number, since it is smaller than the sum of its proper divisors (2364861324).

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

1099352436 is a wasteful number, since it uses less digits than its factorization.

1099352436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 1099352436 is about 33156.4840717468. The cubic root of 1099352436 is about 1032.0775098024.

The spelling of 1099352436 in words is "one billion, ninety-nine million, three hundred fifty-two thousand, four hundred thirty-six".