36866890 has 16 divisors (see below), whose sum is σ = 66440808. Its totient is φ = 14728896.

The previous prime is 36866849. The next prime is 36866909. The reversal of 36866890 is 9866863.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 35271721 + 1595169 = 5939^2 + 1263^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36866890.

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 7 ways as a sum of consecutive naturals, for example, 9244 + ... + 12616.

Almost surely, 2^36866890 is an apocalyptic number.

36866890 is a deficient number, since it is larger than the sum of its proper divisors (29573918).

36866890 is a wasteful number, since it uses less digits than its factorization.

36866890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 36866890 is about 6071.8110971933. The cubic root of 36866890 is about 332.8221085708.

The spelling of 36866890 in words is "thirty-six million, eight hundred sixty-six thousand, eight hundred ninety".