36381387 has 8 divisors (see below), whose sum is σ = 55438336. Its totient is φ = 20789352.

The previous prime is 36381353. The next prime is 36381403. The reversal of 36381387 is 78318363.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 36381387 - 2⁸ = 36381131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36381187) 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, 866203 + ... + 866244.

It is an arithmetic number, because the mean of its divisors is an integer number (6929792).

Almost surely, 2^36381387 is an apocalyptic number.

36381387 is a deficient number, since it is larger than the sum of its proper divisors (19056949).

36381387 is a wasteful number, since it uses less digits than its factorization.

36381387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1732457.

The product of its digits is 72576, while the sum is 39.

The square root of 36381387 is about 6031.6985170017. The cubic root of 36381387 is about 331.3546610303.

The spelling of 36381387 in words is "thirty-six million, three hundred eighty-one thousand, three hundred eighty-seven".