36906839 has 2 divisors, whose sum is σ = 36906840. Its totient is φ = 36906838.

The previous prime is 36906827. The next prime is 36906869. The reversal of 36906839 is 93860963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36906839 - 2⁴ = 36906823 is a prime.

It is a super-2 number, since 2×36906839² = 2724229529943842, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 36906839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36906869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18453419 + 18453420.

It is an arithmetic number, because the mean of its divisors is an integer number (18453420).

Almost surely, 2^36906839 is an apocalyptic number.

36906839 is a deficient number, since it is larger than the sum of its proper divisors (1).

36906839 is an equidigital number, since it uses as much as digits as its factorization.

36906839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 36906839 is about 6075.0999168738. The cubic root of 36906839 is about 332.9422806350.

The spelling of 36906839 in words is "thirty-six million, nine hundred six thousand, eight hundred thirty-nine".