1085329992 has 32 divisors (see below), whose sum is σ = 2714611680. Its totient is φ = 361605120.

The previous prime is 1085329979. The next prime is 1085330021. The reversal of 1085329992 is 2999235801.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47368 + ... + 66440.

It is an arithmetic number, because the mean of its divisors is an integer number (84831615).

Almost surely, 2^1085329992 is an apocalyptic number.

1085329992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1085329992 is an abundant number, since it is smaller than the sum of its proper divisors (1629281688).

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

1085329992 is a wasteful number, since it uses less digits than its factorization.

1085329992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21453 (or 21449 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 1085329992 is about 32944.3468898687. The cubic root of 1085329992 is about 1027.6706061096.

The spelling of 1085329992 in words is "one billion, eighty-five million, three hundred twenty-nine thousand, nine hundred ninety-two".