889436240 has 120 divisors (see below), whose sum is σ = 2624376672. Its totient is φ = 277213440.

The previous prime is 889436239. The next prime is 889436267. The reversal of 889436240 is 42634988.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 889436191 and 889436200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32807 + ... + 53433.

Almost surely, 2^889436240 is an apocalyptic number.

889436240 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 889436240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312188336).

889436240 is an abundant number, since it is smaller than the sum of its proper divisors (1734940432).

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

889436240 is a wasteful number, since it uses less digits than its factorization.

889436240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20665 (or 20652 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 889436240 is about 29823.4176445289. The cubic root of 889436240 is about 961.6970272701.

The spelling of 889436240 in words is "eight hundred eighty-nine million, four hundred thirty-six thousand, two hundred forty".