36394687 has 4 divisors (see below), whose sum is σ = 41593936. Its totient is φ = 31195440.

The previous prime is 36394679. The next prime is 36394697. The reversal of 36394687 is 78649363.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 36394687 - 2³ = 36394679 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36394627) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2599614 + ... + 2599627.

It is an arithmetic number, because the mean of its divisors is an integer number (10398484).

Almost surely, 2^36394687 is an apocalyptic number.

36394687 is a deficient number, since it is larger than the sum of its proper divisors (5199249).

36394687 is an equidigital number, since it uses as much as digits as its factorization.

36394687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5199248.

The product of its digits is 653184, while the sum is 46.

The square root of 36394687 is about 6032.8009249436. The cubic root of 36394687 is about 331.3950340566.

The spelling of 36394687 in words is "thirty-six million, three hundred ninety-four thousand, six hundred eighty-seven".