889619620 has 24 divisors (see below), whose sum is σ = 1884738744. Its totient is φ = 352697856.

The previous prime is 889619611. The next prime is 889619623. The reversal of 889619620 is 26916988.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 28901376 + 860718244 = 5376^2 + 29338^2 .

It is not an unprimeable number, because it can be changed into a prime (889619623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194559 + ... + 199078.

It is an arithmetic number, because the mean of its divisors is an integer number (78530781).

Almost surely, 2^889619620 is an apocalyptic number.

It is an amenable number.

889619620 is an abundant number, since it is smaller than the sum of its proper divisors (995119124).

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

889619620 is a wasteful number, since it uses less digits than its factorization.

889619620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393759 (or 393757 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 49.

The square root of 889619620 is about 29826.4919157450. The cubic root of 889619620 is about 961.7631155307.

The spelling of 889619620 in words is "eight hundred eighty-nine million, six hundred nineteen thousand, six hundred twenty".