90046866 has 64 divisors (see below), whose sum is σ = 224437248. Its totient is φ = 23450688.

The previous prime is 90046843. The next prime is 90046867. The reversal of 90046866 is 66864009.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (90046867) 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 in 31 ways as a sum of consecutive naturals, for example, 44325 + ... + 46311.

It is an arithmetic number, because the mean of its divisors is an integer number (3506832).

Almost surely, 2^90046866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90046866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112218624).

90046866 is an abundant number, since it is smaller than the sum of its proper divisors (134390382).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90046866 is a wasteful number, since it uses less digits than its factorization.

90046866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 90046866 is about 9489.3027141092. The cubic root of 90046866 is about 448.2182483852.

The spelling of 90046866 in words is "ninety million, forty-six thousand, eight hundred sixty-six".