36189290 has 8 divisors (see below), whose sum is σ = 65140740. Its totient is φ = 14475712.

The previous prime is 36189289. The next prime is 36189299. The reversal of 36189290 is 9298163.

It can be written as a sum of positive squares in 2 ways, for example, as 33721249 + 2468041 = 5807^2 + 1571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (36189299) 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, 1809455 + ... + 1809474.

Almost surely, 2^36189290 is an apocalyptic number.

36189290 is a deficient number, since it is larger than the sum of its proper divisors (28951450).

36189290 is a wasteful number, since it uses less digits than its factorization.

36189290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3618936.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 36189290 is about 6015.7534856408. The cubic root of 36189290 is about 330.7704374185.

The spelling of 36189290 in words is "thirty-six million, one hundred eighty-nine thousand, two hundred ninety".