36381239 has 8 divisors (see below), whose sum is σ = 38079072. Its totient is φ = 34693120.

The previous prime is 36381223. The next prime is 36381251. The reversal of 36381239 is 93218363.

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 36381239 - 2⁴ = 36381223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36381199 and 36381208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36381209) 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, 5879 + ... + 10359.

It is an arithmetic number, because the mean of its divisors is an integer number (4759884).

Almost surely, 2^36381239 is an apocalyptic number.

36381239 is a deficient number, since it is larger than the sum of its proper divisors (1697833).

36381239 is a wasteful number, since it uses less digits than its factorization.

36381239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4857.

The product of its digits is 23328, while the sum is 35.

The square root of 36381239 is about 6031.6862484715. The cubic root of 36381239 is about 331.3542117112.

The spelling of 36381239 in words is "thirty-six million, three hundred eighty-one thousand, two hundred thirty-nine".