1085438814 has 16 divisors (see below), whose sum is σ = 2298576528. Its totient is φ = 340529792.

The previous prime is 1085438803. The next prime is 1085438857. The reversal of 1085438814 is 4188345801.

1085438814 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

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, 5320677 + ... + 5320880.

It is an arithmetic number, because the mean of its divisors is an integer number (143661033).

Almost surely, 2^1085438814 is an apocalyptic number.

1085438814 is an abundant number, since it is smaller than the sum of its proper divisors (1213137714).

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

1085438814 is a wasteful number, since it uses less digits than its factorization.

1085438814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10641579.

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 1085438814 is about 32945.9984520123. The cubic root of 1085438814 is about 1027.7049518643.

The spelling of 1085438814 in words is "one billion, eighty-five million, four hundred thirty-eight thousand, eight hundred fourteen".