1085806371 has 32 divisors (see below), whose sum is σ = 1707773760. Its totient is φ = 607186944.

The previous prime is 1085806369. The next prime is 1085806387. The reversal of 1085806371 is 1736085801.

It is not a de Polignac number, because 1085806371 - 2¹ = 1085806369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1085806391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9010 + ... + 47463.

It is an arithmetic number, because the mean of its divisors is an integer number (53367930).

Almost surely, 2^1085806371 is an apocalyptic number.

1085806371 is a deficient number, since it is larger than the sum of its proper divisors (621967389).

1085806371 is a wasteful number, since it uses less digits than its factorization.

1085806371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56535.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 1085806371 is about 32951.5761535014. The cubic root of 1085806371 is about 1027.8209410583.

The spelling of 1085806371 in words is "one billion, eighty-five million, eight hundred six thousand, three hundred seventy-one".