889450000 has 60 divisors (see below), whose sum is σ = 2154119940. Its totient is φ = 355760000.

The previous prime is 889449973. The next prime is 889450027. The reversal of 889450000 is 54988.

It is an interprime number because it is at equal distance from previous prime (889449973) and next prime (889450027).

It can be written as a sum of positive squares in 6 ways, for example, as 477684736 + 411765264 = 21856^2 + 20292^2 .

It is a super-2 number, since 2×889450000² = 1582242605000000000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41106 + ... + 58894.

It is an arithmetic number, because the mean of its divisors is an integer number (35901999).

Almost surely, 2^889450000 is an apocalyptic number.

889450000 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 889450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1077059970).

889450000 is an abundant number, since it is smaller than the sum of its proper divisors (1264669940).

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

889450000 is an equidigital number, since it uses as much as digits as its factorization.

889450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17822 (or 17796 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 889450000 is about 29823.6483348366. The cubic root of 889450000 is about 961.7019865474.

The spelling of 889450000 in words is "eight hundred eighty-nine million, four hundred fifty thousand".