36866605 has 4 divisors (see below), whose sum is σ = 44239932. Its totient is φ = 29493280.

The previous prime is 36866597. The next prime is 36866639. The reversal of 36866605 is 50666863.

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 10426441 + 26440164 = 3229^2 + 5142^2 .

It is not a de Polignac number, because 36866605 - 2³ = 36866597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3686656 + ... + 3686665.

It is an arithmetic number, because the mean of its divisors is an integer number (11059983).

Almost surely, 2^36866605 is an apocalyptic number.

It is an amenable number.

36866605 is a deficient number, since it is larger than the sum of its proper divisors (7373327).

36866605 is an equidigital number, since it uses as much as digits as its factorization.

36866605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7373326.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 36866605 is about 6071.7876280384. The cubic root of 36866605 is about 332.8212509399.

The spelling of 36866605 in words is "thirty-six million, eight hundred sixty-six thousand, six hundred five".