36393867 has 30 divisors (see below), whose sum is σ = 55888932. Its totient is φ = 23698332.

The previous prime is 36393859. The next prime is 36393887. The reversal of 36393867 is 76839363.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

36393867 is a `hidden beast` number, since 3 + 639 + 3 + 8 + 6 + 7 = 666.

36393867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 36393867 - 2³ = 36393859 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (36393857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 846348 + ... + 846390.

Almost surely, 2^36393867 is an apocalyptic number.

36393867 is a deficient number, since it is larger than the sum of its proper divisors (19495065).

36393867 is an frugal number, since it uses more digits than its factorization.

36393867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 46 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The square root of 36393867 is about 6032.7329627624. The cubic root of 36393867 is about 331.3925451771.

The spelling of 36393867 in words is "thirty-six million, three hundred ninety-three thousand, eight hundred sixty-seven".