289884948 has 24 divisors (see below), whose sum is σ = 683098080. Its totient is φ = 95671200.

The previous prime is 289884943. The next prime is 289884979. The reversal of 289884948 is 849488982.

It is a junction number, because it is equal to n+sod(n) for n = 289884891 and 289884900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289884941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118378 + ... + 120801.

It is an arithmetic number, because the mean of its divisors is an integer number (28462420).

Almost surely, 2^289884948 is an apocalyptic number.

It is an amenable number.

289884948 is an abundant number, since it is smaller than the sum of its proper divisors (393213132).

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

289884948 is a wasteful number, since it uses less digits than its factorization.

289884948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239287 (or 239285 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 60.

The square root of 289884948 is about 17026.0079877815. The cubic root of 289884948 is about 661.8230497326.

The spelling of 289884948 in words is "two hundred eighty-nine million, eight hundred eighty-four thousand, nine hundred forty-eight".