289000248 has 64 divisors (see below), whose sum is σ = 747183360. Its totient is φ = 93090816.

The previous prime is 289000219. The next prime is 289000253. The reversal of 289000248 is 842000982.

It is a super-2 number, since 2×289000248² = 167042286688123008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98661 + ... + 101547.

It is an arithmetic number, because the mean of its divisors is an integer number (11674740).

Almost surely, 2^289000248 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 289000248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373591680).

289000248 is an abundant number, since it is smaller than the sum of its proper divisors (458183112).

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

289000248 is a wasteful number, since it uses less digits than its factorization.

289000248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3036 (or 3032 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 289000248 is about 17000.0072941161. The cubic root of 289000248 is about 661.1490909633.

The spelling of 289000248 in words is "two hundred eighty-nine million, two hundred forty-eight", and thus it is an aban number.