36939229 has 2 divisors, whose sum is σ = 36939230. Its totient is φ = 36939228.

The previous prime is 36939187. The next prime is 36939239. The reversal of 36939229 is 92293963.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19316025 + 17623204 = 4395^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 36939229 - 2⁷ = 36939101 is a prime.

It is a super-2 number, since 2×36939229² = 2729013278228882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36939239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18469614 + 18469615.

It is an arithmetic number, because the mean of its divisors is an integer number (18469615).

Almost surely, 2^36939229 is an apocalyptic number.

It is an amenable number.

36939229 is a deficient number, since it is larger than the sum of its proper divisors (1).

36939229 is an equidigital number, since it uses as much as digits as its factorization.

36939229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 157464, while the sum is 43.

The square root of 36939229 is about 6077.7651320202. The cubic root of 36939229 is about 333.0396505495.

The spelling of 36939229 in words is "thirty-six million, nine hundred thirty-nine thousand, two hundred twenty-nine".