889901856 has 192 divisors, whose sum is σ = 2814134400. Its totient is φ = 272498688.

The previous prime is 889901851. The next prime is 889901861. The reversal of 889901856 is 658109988.

It is an interprime number because it is at equal distance from previous prime (889901851) and next prime (889901861).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (889901851) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 630880 + ... + 632288.

It is an arithmetic number, because the mean of its divisors is an integer number (14656950).

Almost surely, 2^889901856 is an apocalyptic number.

889901856 is a gapful number since it is divisible by the number (86) 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 889901856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1407067200).

889901856 is an abundant number, since it is smaller than the sum of its proper divisors (1924232544).

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

889901856 is a wasteful number, since it uses less digits than its factorization.

889901856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1474 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 54.

The square root of 889901856 is about 29831.2228378255. Note that the first 3 decimals coincide. The cubic root of 889901856 is about 961.8648127310.

The spelling of 889901856 in words is "eight hundred eighty-nine million, nine hundred one thousand, eight hundred fifty-six".