36998839 has 2 divisors, whose sum is σ = 36998840. Its totient is φ = 36998838.

The previous prime is 36998837. The next prime is 36998861. The reversal of 36998839 is 93889963.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36998839 - 2¹ = 36998837 is a prime.

Together with 36998837, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 36998839.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36998837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18499419 + 18499420.

It is an arithmetic number, because the mean of its divisors is an integer number (18499420).

Almost surely, 2^36998839 is an apocalyptic number.

36998839 is a deficient number, since it is larger than the sum of its proper divisors (1).

36998839 is an equidigital number, since it uses as much as digits as its factorization.

36998839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2519424, while the sum is 55.

The square root of 36998839 is about 6082.6670959374. The cubic root of 36998839 is about 333.2186998042.

The spelling of 36998839 in words is "thirty-six million, nine hundred ninety-eight thousand, eight hundred thirty-nine".