36285381 has 16 divisors (see below), whose sum is σ = 58643520. Its totient is φ = 21990960.

The previous prime is 36285377. The next prime is 36285397. The reversal of 36285381 is 18358263.

36285381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36285381 - 2² = 36285377 is a prime.

It is a super-2 number, since 2×36285381² = 2633257748630322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36285311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60790 + ... + 61383.

It is an arithmetic number, because the mean of its divisors is an integer number (3665220).

Almost surely, 2^36285381 is an apocalyptic number.

It is an amenable number.

36285381 is a deficient number, since it is larger than the sum of its proper divisors (22358139).

36285381 is a wasteful number, since it uses less digits than its factorization.

36285381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122193 (or 122187 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 36285381 is about 6023.7348049196. The cubic root of 36285381 is about 331.0629362228.

It can be divided in two parts, 3628 and 5381, that added together give a palindrome (9009).

The spelling of 36285381 in words is "thirty-six million, two hundred eighty-five thousand, three hundred eighty-one".