889540 has 24 divisors (see below), whose sum is σ = 1895040. Its totient is φ = 350688.

The previous prime is 889519. The next prime is 889579. The reversal of 889540 is 45988.

It is a junction number, because it is equal to n+sod(n) for n = 889496 and 889505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1299 + ... + 1861.

It is an arithmetic number, because the mean of its divisors is an integer number (78960).

2⁸⁸⁹⁵⁴⁰ is an apocalyptic number.

It is an amenable number.

889540 is an abundant number, since it is smaller than the sum of its proper divisors (1005500).

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

889540 is a wasteful number, since it uses less digits than its factorization.

889540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 889540 is about 943.1542821829. The cubic root of 889540 is about 96.1734422420.

The spelling of 889540 in words is "eight hundred eighty-nine thousand, five hundred forty".