36990839 has 2 divisors, whose sum is σ = 36990840. Its totient is φ = 36990838.

The previous prime is 36990829. The next prime is 36990841. The reversal of 36990839 is 93809963.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36990839 - 2²⁴ = 20213623 is a prime.

Together with 36990841, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 36990793 and 36990802.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36990829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18495419 + 18495420.

It is an arithmetic number, because the mean of its divisors is an integer number (18495420).

Almost surely, 2^36990839 is an apocalyptic number.

36990839 is a deficient number, since it is larger than the sum of its proper divisors (1).

36990839 is an equidigital number, since it uses as much as digits as its factorization.

36990839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 314928, while the sum is 47.

The square root of 36990839 is about 6082.0094541196. The cubic root of 36990839 is about 333.1946815573.

The spelling of 36990839 in words is "thirty-six million, nine hundred ninety thousand, eight hundred thirty-nine".