36960021 has 12 divisors (see below), whose sum is σ = 61013472. Its totient is φ = 21119976.

The previous prime is 36960013. The next prime is 36960031. The reversal of 36960021 is 12006963.

It is a happy number.

36960021 is a `hidden beast` number, since 36 + 9 + 600 + 21 = 666.

It is not a de Polignac number, because 36960021 - 2³ = 36960013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36960031) 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, 293271 + ... + 293396.

It is an arithmetic number, because the mean of its divisors is an integer number (5084456).

Almost surely, 2^36960021 is an apocalyptic number.

It is an amenable number.

36960021 is a deficient number, since it is larger than the sum of its proper divisors (24053451).

36960021 is a wasteful number, since it uses less digits than its factorization.

36960021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586680 (or 586677 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 36960021 is about 6079.4753885512. The cubic root of 36960021 is about 333.1021248873.

Adding to 36960021 its reverse (12006963), we get a palindrome (48966984).

The spelling of 36960021 in words is "thirty-six million, nine hundred sixty thousand, twenty-one".