36892021 has 2 divisors, whose sum is σ = 36892022. Its totient is φ = 36892020.

The previous prime is 36891983. The next prime is 36892027. The reversal of 36892021 is 12029863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36469521 + 422500 = 6039^2 + 650^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36892021 is a prime.

It is a super-2 number, since 2×36892021² = 2722042426928882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36892027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18446010 + 18446011.

It is an arithmetic number, because the mean of its divisors is an integer number (18446011).

Almost surely, 2^36892021 is an apocalyptic number.

It is an amenable number.

36892021 is a deficient number, since it is larger than the sum of its proper divisors (1).

36892021 is an equidigital number, since it uses as much as digits as its factorization.

36892021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 36892021 is about 6073.8802260170. The cubic root of 36892021 is about 332.8977161833.

The spelling of 36892021 in words is "thirty-six million, eight hundred ninety-two thousand, twenty-one".