890166244 has 24 divisors (see below), whose sum is σ = 1704570336. Its totient is φ = 403392000.

The previous prime is 890166149. The next prime is 890166247. The reversal of 890166244 is 442661098.

It is a junction number, because it is equal to n+sod(n) for n = 890166197 and 890166206.

It is not an unprimeable number, because it can be changed into a prime (890166247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15997 + ... + 45124.

It is an arithmetic number, because the mean of its divisors is an integer number (71023764).

Almost surely, 2^890166244 is an apocalyptic number.

It is an amenable number.

890166244 is a deficient number, since it is larger than the sum of its proper divisors (814404092).

890166244 is a wasteful number, since it uses less digits than its factorization.

890166244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61467 (or 61465 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 890166244 is about 29835.6539060232. The cubic root of 890166244 is about 961.9600593143.

The spelling of 890166244 in words is "eight hundred ninety million, one hundred sixty-six thousand, two hundred forty-four".