1085585956 has 24 divisors (see below), whose sum is σ = 2338185920. Its totient is φ = 429462432.

The previous prime is 1085585933. The next prime is 1085586013. The reversal of 1085585956 is 6595855801.

It is a Harshad number since it is a multiple of its sum of digits (52).

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, 1490826 + ... + 1491553.

Almost surely, 2^1085585956 is an apocalyptic number.

It is an amenable number.

1085585956 is an abundant number, since it is smaller than the sum of its proper divisors (1252599964).

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

1085585956 is a wasteful number, since it uses less digits than its factorization.

1085585956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982403 (or 2982401 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 52.

The square root of 1085585956 is about 32948.2314548141. The cubic root of 1085585956 is about 1027.7513883002.

The spelling of 1085585956 in words is "one billion, eighty-five million, five hundred eighty-five thousand, nine hundred fifty-six".