1085534208 has 156 divisors (see below), whose sum is σ = 3421937688. Its totient is φ = 328826880.

The previous prime is 1085534207. The next prime is 1085534209. The reversal of 1085534208 is 8024355801.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1085534207) and next prime (1085534209).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085534207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404166 + ... + 406842.

It is an arithmetic number, because the mean of its divisors is an integer number (21935498).

Almost surely, 2^1085534208 is an apocalyptic number.

1085534208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085534208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1710968844).

1085534208 is an abundant number, since it is smaller than the sum of its proper divisors (2336403480).

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

1085534208 is a wasteful number, since it uses less digits than its factorization.

1085534208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2693 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 1085534208 is about 32947.4461529266. The cubic root of 1085534208 is about 1027.7350576652.

The spelling of 1085534208 in words is "one billion, eighty-five million, five hundred thirty-four thousand, two hundred eight".