36998999 has 2 divisors, whose sum is σ = 36999000. Its totient is φ = 36998998.

The previous prime is 36998977. The next prime is 36999013. The reversal of 36998999 is 99989963.

It is a strong prime.

It is an emirp because it is prime and its reverse (99989963) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 36998999 - 2²⁰ = 35950423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (36992999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18499499 + 18499500.

It is an arithmetic number, because the mean of its divisors is an integer number (18499500).

Almost surely, 2^36998999 is an apocalyptic number.

36998999 is a deficient number, since it is larger than the sum of its proper divisors (1).

36998999 is an equidigital number, since it uses as much as digits as its factorization.

36998999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8503056, while the sum is 62.

The square root of 36998999 is about 6082.6802480486. The cubic root of 36998999 is about 333.2191801338.

The spelling of 36998999 in words is "thirty-six million, nine hundred ninety-eight thousand, nine hundred ninety-nine".