36687249 has 15 divisors (see below), whose sum is σ = 54885963. Its totient is φ = 24421824.

The previous prime is 36687247. The next prime is 36687253. The reversal of 36687249 is 94278663.

The square root of 36687249 is 6057.

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

It can be written as a sum of positive squares in only one way, i.e., 12006225 + 24681024 = 3465^2 + 4968^2 .

It is not a de Polignac number, because 36687249 - 2¹ = 36687247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (36687247) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 54177 + ... + 54849.

Almost surely, 2^36687249 is an apocalyptic number.

36687249 is the 6057-th square number.

36687249 is the 3029-th centered octagonal number.

It is an amenable number.

36687249 is a deficient number, since it is larger than the sum of its proper divisors (18198714).

36687249 is an frugal number, since it uses more digits than its factorization.

36687249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 676 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The cubic root of 36687249 is about 332.2806482844.

The spelling of 36687249 in words is "thirty-six million, six hundred eighty-seven thousand, two hundred forty-nine".