36881329 has 3 divisors (see below), whose sum is σ = 36887403. Its totient is φ = 36875256.

The previous prime is 36881321. The next prime is 36881353. The reversal of 36881329 is 92318863.

The square root of 36881329 is 6073.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 33466225 + 3415104 = 5785^2 + 1848^2 .

It is not a de Polignac number, because 36881329 - 2³ = 36881321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 36881291 and 36881300.

It is not an unprimeable number, because it can be changed into a prime (36881321) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3037 + ... + 9109.

It is an arithmetic number, because the mean of its divisors is an integer number (12295801).

Almost surely, 2^36881329 is an apocalyptic number.

36881329 is the 6073-rd square number.

36881329 is the 3037-th centered octagonal number.

It is an amenable number.

36881329 is a deficient number, since it is larger than the sum of its proper divisors (6074).

36881329 is an frugal number, since it uses more digits than its factorization.

36881329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12146 (or 6073 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The cubic root of 36881329 is about 332.8655530742.

The spelling of 36881329 in words is "thirty-six million, eight hundred eighty-one thousand, three hundred twenty-nine".