90964186 has 4 divisors (see below), whose sum is σ = 136446282. Its totient is φ = 45482092.

The previous prime is 90964183. The next prime is 90964189. The reversal of 90964186 is 68146909.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (90964183) and next prime (90964189).

It can be written as a sum of positive squares in only one way, i.e., 90916225 + 47961 = 9535^2 + 219^2 .

It is not an unprimeable number, because it can be changed into a prime (90964183) by changing a digit.

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 as a sum of consecutive naturals, namely, 22741045 + ... + 22741048.

Almost surely, 2^90964186 is an apocalyptic number.

90964186 is a deficient number, since it is larger than the sum of its proper divisors (45482096).

90964186 is a wasteful number, since it uses less digits than its factorization.

90964186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45482095.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 90964186 is about 9537.5146657816. The cubic root of 90964186 is about 449.7351297245.

The spelling of 90964186 in words is "ninety million, nine hundred sixty-four thousand, one hundred eighty-six".