36091880 has 48 divisors (see below), whose sum is σ = 89272260. Its totient is φ = 13122560.

The previous prime is 36091879. The next prime is 36091883. The reversal of 36091880 is 8819063.

It can be written as a sum of positive squares in 2 ways, for example, as 35022724 + 1069156 = 5918^2 + 1034^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36091880.

It is not an unprimeable number, because it can be changed into a prime (36091883) 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, 1112 + ... + 8568.

Almost surely, 2^36091880 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36091880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44636130).

36091880 is an abundant number, since it is smaller than the sum of its proper divisors (53180380).

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

36091880 is a wasteful number, since it uses less digits than its factorization.

36091880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490 (or 7475 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 36091880 is about 6007.6517875123. The cubic root of 36091880 is about 330.4733946509.

The spelling of 36091880 in words is "thirty-six million, ninety-one thousand, eight hundred eighty".