1083209980 has 24 divisors (see below), whose sum is σ = 2288703312. Its totient is φ = 430624512.

The previous prime is 1083209921. The next prime is 1083209993. The reversal of 1083209980 is 899023801.

It is a super-3 number, since 3×1083209980³ (a number of 28 digits) contains 333 as substring.

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 7 ways as a sum of consecutive naturals, for example, 162877 + ... + 169396.

It is an arithmetic number, because the mean of its divisors is an integer number (95362638).

Almost surely, 2^1083209980 is an apocalyptic number.

1083209980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1083209980 is an abundant number, since it is smaller than the sum of its proper divisors (1205493332).

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

1083209980 is a wasteful number, since it uses less digits than its factorization.

1083209980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332445 (or 332443 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 1083209980 is about 32912.1555052233. The cubic root of 1083209980 is about 1027.0010419728.

The spelling of 1083209980 in words is "one billion, eighty-three million, two hundred nine thousand, nine hundred eighty".