36236389 has 16 divisors (see below), whose sum is σ = 42835968. Its totient is φ = 30010032.

The previous prime is 36236359. The next prime is 36236423. The reversal of 36236389 is 98363263.

36236389 is nontrivially palindromic in base 13.

It is a cyclic number.

It is not a de Polignac number, because 36236389 - 2¹⁷ = 36105317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36236359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26644 + ... + 27970.

It is an arithmetic number, because the mean of its divisors is an integer number (2677248).

Almost surely, 2^36236389 is an apocalyptic number.

It is an amenable number.

36236389 is a deficient number, since it is larger than the sum of its proper divisors (6599579).

36236389 is a wasteful number, since it uses less digits than its factorization.

36236389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464.

The product of its digits is 139968, while the sum is 40.

The square root of 36236389 is about 6019.6668512468. Note that the first 3 decimals coincide. The cubic root of 36236389 is about 330.9138703074.

The spelling of 36236389 in words is "thirty-six million, two hundred thirty-six thousand, three hundred eighty-nine".