36284021 has 4 divisors (see below), whose sum is σ = 36623232. Its totient is φ = 35944812.

The previous prime is 36284011. The next prime is 36284063. The reversal of 36284021 is 12048263.

36284021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 36284021 - 2¹⁰ = 36282997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36284011) 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 3 ways as a sum of consecutive naturals, for example, 169445 + ... + 169658.

It is an arithmetic number, because the mean of its divisors is an integer number (9155808).

Almost surely, 2^36284021 is an apocalyptic number.

It is an amenable number.

36284021 is a deficient number, since it is larger than the sum of its proper divisors (339211).

36284021 is a wasteful number, since it uses less digits than its factorization.

36284021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339210.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 36284021 is about 6023.6219170861. The cubic root of 36284021 is about 331.0588000187.

The spelling of 36284021 in words is "thirty-six million, two hundred eighty-four thousand, twenty-one".