90286066 has 16 divisors (see below), whose sum is σ = 146160000. Its totient is φ = 41581008.

The previous prime is 90286061. The next prime is 90286067. The reversal of 90286066 is 66068209.

It is not an unprimeable number, because it can be changed into a prime (90286061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9495 + ... + 16453.

It is an arithmetic number, because the mean of its divisors is an integer number (9135000).

Almost surely, 2^90286066 is an apocalyptic number.

90286066 is a deficient number, since it is larger than the sum of its proper divisors (55873934).

90286066 is a wasteful number, since it uses less digits than its factorization.

90286066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7473.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 90286066 is about 9501.8980209219. The cubic root of 90286066 is about 448.6147789756.

It can be divided in two parts, 902 and 86066, that added together give a palindrome (86968).

The spelling of 90286066 in words is "ninety million, two hundred eighty-six thousand, sixty-six".