36001885 has 4 divisors (see below), whose sum is σ = 43202268. Its totient is φ = 28801504.

The previous prime is 36001883. The next prime is 36001897. The reversal of 36001885 is 58810063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58810063 = 13 ⋅4523851.

It can be written as a sum of positive squares in 2 ways, for example, as 5299204 + 30702681 = 2302^2 + 5541^2 .

It is a cyclic number.

It is not a de Polignac number, because 36001885 - 2¹ = 36001883 is a prime.

It is a super-2 number, since 2×36001885² = 2592271447106450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36001883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3600184 + ... + 3600193.

It is an arithmetic number, because the mean of its divisors is an integer number (10800567).

Almost surely, 2^36001885 is an apocalyptic number.

It is an amenable number.

36001885 is a deficient number, since it is larger than the sum of its proper divisors (7200383).

36001885 is an equidigital number, since it uses as much as digits as its factorization.

36001885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200382.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 36001885 is about 6000.1570812771. The cubic root of 36001885 is about 330.1984878749.

The spelling of 36001885 in words is "thirty-six million, one thousand, eight hundred eighty-five".