36399899 has 8 divisors (see below), whose sum is σ = 37174032. Its totient is φ = 35633920.

The previous prime is 36399893. The next prime is 36399911. The reversal of 36399899 is 99899363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 36399899 - 2²⁴ = 19622683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36399893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7439 + ... + 11319.

It is an arithmetic number, because the mean of its divisors is an integer number (4646754).

Almost surely, 2^36399899 is an apocalyptic number.

36399899 is a deficient number, since it is larger than the sum of its proper divisors (774133).

36399899 is a wasteful number, since it uses less digits than its factorization.

36399899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its digits is 2834352, while the sum is 56.

The square root of 36399899 is about 6033.2328813000. The cubic root of 36399899 is about 331.4108527434.

The spelling of 36399899 in words is "thirty-six million, three hundred ninety-nine thousand, eight hundred ninety-nine".