1116436890 has 64 divisors (see below), whose sum is σ = 2758063104. Its totient is φ = 289018368.

The previous prime is 1116436861. The next prime is 1116436913. The reversal of 1116436890 is 986346111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 672942 + ... + 674598.

It is an arithmetic number, because the mean of its divisors is an integer number (43094736).

Almost surely, 2^1116436890 is an apocalyptic number.

1116436890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1116436890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1379031552).

1116436890 is an abundant number, since it is smaller than the sum of its proper divisors (1641626214).

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

1116436890 is a wasteful number, since it uses less digits than its factorization.

1116436890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2311.

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1116436890 is about 33413.1245171714. The cubic root of 1116436890 is about 1037.3963749990.

The spelling of 1116436890 in words is "one billion, one hundred sixteen million, four hundred thirty-six thousand, eight hundred ninety".