36240839 has 2 divisors, whose sum is σ = 36240840. Its totient is φ = 36240838.

The previous prime is 36240833. The next prime is 36240863. The reversal of 36240839 is 93804263.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36240839 - 2²⁰ = 35192263 is a prime.

It is a super-2 number, since 2×36240839² = 2626796822847842, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 36240799 and 36240808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36240833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18120419 + 18120420.

It is an arithmetic number, because the mean of its divisors is an integer number (18120420).

Almost surely, 2^36240839 is an apocalyptic number.

36240839 is a deficient number, since it is larger than the sum of its proper divisors (1).

36240839 is an equidigital number, since it uses as much as digits as its factorization.

36240839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 36240839 is about 6020.0364616836. The cubic root of 36240839 is about 330.9274156825.

The spelling of 36240839 in words is "thirty-six million, two hundred forty thousand, eight hundred thirty-nine".