36398563 has 4 divisors (see below), whose sum is σ = 36410688. Its totient is φ = 36386440.

The previous prime is 36398533. The next prime is 36398569. The reversal of 36398563 is 36589363.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 36589363 = 709 ⋅51607.

It is a cyclic number.

It is not a de Polignac number, because 36398563 - 2⁹ = 36398051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36398569) 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, 2145 + ... + 8797.

It is an arithmetic number, because the mean of its divisors is an integer number (9102672).

Almost surely, 2^36398563 is an apocalyptic number.

36398563 is a deficient number, since it is larger than the sum of its proper divisors (12125).

36398563 is an equidigital number, since it uses as much as digits as its factorization.

36398563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124.

The product of its digits is 349920, while the sum is 43.

The square root of 36398563 is about 6033.1221602086. The cubic root of 36398563 is about 331.4067980590.

The spelling of 36398563 in words is "thirty-six million, three hundred ninety-eight thousand, five hundred sixty-three".