36388633 has 2 divisors, whose sum is σ = 36388634. Its totient is φ = 36388632.

The previous prime is 36388613. The next prime is 36388643. The reversal of 36388633 is 33688363.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23736384 + 12652249 = 4872^2 + 3557^2 .

It is a cyclic number.

It is not a de Polignac number, because 36388633 - 2⁵ = 36388601 is a prime.

It is a super-2 number, since 2×36388633² = 2648265223217378, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36388613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18194316 + 18194317.

It is an arithmetic number, because the mean of its divisors is an integer number (18194317).

Almost surely, 2^36388633 is an apocalyptic number.

It is an amenable number.

36388633 is a deficient number, since it is larger than the sum of its proper divisors (1).

36388633 is an equidigital number, since it uses as much as digits as its factorization.

36388633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 40.

The square root of 36388633 is about 6032.2991470914. The cubic root of 36388633 is about 331.3766579605.

The spelling of 36388633 in words is "thirty-six million, three hundred eighty-eight thousand, six hundred thirty-three".