889762140 has 72 divisors (see below), whose sum is σ = 2706500160. Its totient is φ = 236605824.

The previous prime is 889762129. The next prime is 889762141. The reversal of 889762140 is 41267988.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (889762141) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 59326 + ... + 72794.

It is an arithmetic number, because the mean of its divisors is an integer number (37590280).

Almost surely, 2^889762140 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 889762140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1353250080).

889762140 is an abundant number, since it is smaller than the sum of its proper divisors (1816738020).

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

889762140 is a wasteful number, since it uses less digits than its factorization.

889762140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13851 (or 13846 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 889762140 is about 29828.8809713003. The cubic root of 889762140 is about 961.8144719970.

The spelling of 889762140 in words is "eight hundred eighty-nine million, seven hundred sixty-two thousand, one hundred forty".