888444 has 72 divisors (see below), whose sum is σ = 2489760. Its totient is φ = 266112.

The previous prime is 888443. The next prime is 888451. The reversal of 888444 is 444888.

It is a super-2 number, since 2×888444² = 1578665482272, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 888399 and 888408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23994 + ... + 24030.

It is an arithmetic number, because the mean of its divisors is an integer number (34580).

2⁸⁸⁸⁴⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 888444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1244880).

888444 is an abundant number, since it is smaller than the sum of its proper divisors (1601316).

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

888444 is a wasteful number, since it uses less digits than its factorization.

888444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 94 counting only the distinct ones).

The product of its digits is 32768, while the sum is 36.

The square root of 888444 is about 942.5730740903. The cubic root of 888444 is about 96.1339276567.

Subtracting from 888444 its reverse (444888), we obtain a square (443556 = 666²).

The spelling of 888444 in words is "eight hundred eighty-eight thousand, four hundred forty-four".