890228598 has 128 divisors (see below), whose sum is σ = 2165833728. Its totient is φ = 238702464.

The previous prime is 890228567. The next prime is 890228609. The reversal of 890228598 is 895822098.

It is a self number, because there is not a number n which added to its sum of digits gives 890228598.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7009611 + ... + 7009737.

It is an arithmetic number, because the mean of its divisors is an integer number (16920576).

Almost surely, 2^890228598 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 890228598, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082916864).

890228598 is an abundant number, since it is smaller than the sum of its proper divisors (1275605130).

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

890228598 is a wasteful number, since it uses less digits than its factorization.

890228598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306.

The product of its (nonzero) digits is 829440, while the sum is 51.

The square root of 890228598 is about 29836.6988455493. The cubic root of 890228598 is about 961.9825197844.

The spelling of 890228598 in words is "eight hundred ninety million, two hundred twenty-eight thousand, five hundred ninety-eight".