36021815 has 8 divisors (see below), whose sum is σ = 45501360. Its totient is φ = 27300672.

The previous prime is 36021809. The next prime is 36021847. The reversal of 36021815 is 51812063.

36021815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36021815 - 2¹² = 36017719 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 189494 + ... + 189683.

It is an arithmetic number, because the mean of its divisors is an integer number (5687670).

Almost surely, 2^36021815 is an apocalyptic number.

36021815 is a deficient number, since it is larger than the sum of its proper divisors (9479545).

36021815 is a wasteful number, since it uses less digits than its factorization.

36021815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379201.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 36021815 is about 6001.8176413483. The cubic root of 36021815 is about 330.2594072951.

Adding to 36021815 its reverse (51812063), we get a palindrome (87833878).

The spelling of 36021815 in words is "thirty-six million, twenty-one thousand, eight hundred fifteen".