1090899936 has 216 divisors, whose sum is σ = 3766757904. Its totient is φ = 298045440.

The previous prime is 1090899917. The next prime is 1090899937. The reversal of 1090899936 is 6399980901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090899937) 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 35 ways as a sum of consecutive naturals, for example, 322896 + ... + 326256.

It is an arithmetic number, because the mean of its divisors is an integer number (17438694).

Almost surely, 2^1090899936 is an apocalyptic number.

1090899936 is a gapful number since it is divisible by the number (16) 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 1090899936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883378952).

1090899936 is an abundant number, since it is smaller than the sum of its proper divisors (2675857968).

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

1090899936 is a wasteful number, since it uses less digits than its factorization.

1090899936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414 (or 3396 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 1090899936 is about 33028.7743641813. The cubic root of 1090899936 is about 1029.4256187375.

It can be divided in two parts, 109089 and 9936, that added together give a square (119025 = 345²).

The spelling of 1090899936 in words is "one billion, ninety million, eight hundred ninety-nine thousand, nine hundred thirty-six".