36337381 has 4 divisors (see below), whose sum is σ = 38474892. Its totient is φ = 34199872.

The previous prime is 36337351. The next prime is 36337387. The reversal of 36337381 is 18373363.

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

It can be written as a sum of positive squares in 2 ways, for example, as 34117281 + 2220100 = 5841^2 + 1490^2 .

It is a cyclic number.

It is not a de Polignac number, because 36337381 - 2⁵ = 36337349 is a prime.

It is a super-2 number, since 2×36337381² = 2640810515878322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36337387) 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, 1068730 + ... + 1068763.

It is an arithmetic number, because the mean of its divisors is an integer number (9618723).

Almost surely, 2^36337381 is an apocalyptic number.

It is an amenable number.

36337381 is a deficient number, since it is larger than the sum of its proper divisors (2137511).

36337381 is a wasteful number, since it uses less digits than its factorization.

36337381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137510.

The product of its digits is 27216, while the sum is 34.

The square root of 36337381 is about 6028.0495187084. The cubic root of 36337381 is about 331.2210077391.

The spelling of 36337381 in words is "thirty-six million, three hundred thirty-seven thousand, three hundred eighty-one".