36399199 has 4 divisors (see below), whose sum is σ = 37245736. Its totient is φ = 35552664.

The previous prime is 36399191. The next prime is 36399211. The reversal of 36399199 is 99199363.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99199363 = 461 ⋅215183.

It is a cyclic number.

It is not a de Polignac number, because 36399199 - 2³ = 36399191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36399191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423204 + ... + 423289.

It is an arithmetic number, because the mean of its divisors is an integer number (9311434).

Almost surely, 2^36399199 is an apocalyptic number.

36399199 is a deficient number, since it is larger than the sum of its proper divisors (846537).

36399199 is an equidigital number, since it uses as much as digits as its factorization.

36399199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846536.

The product of its digits is 354294, while the sum is 49.

The square root of 36399199 is about 6033.1748690055. The cubic root of 36399199 is about 331.4087282954.

The spelling of 36399199 in words is "thirty-six million, three hundred ninety-nine thousand, one hundred ninety-nine".