289912496 has 40 divisors (see below), whose sum is σ = 581403264. Its totient is φ = 139898880.

The previous prime is 289912481. The next prime is 289912499. The reversal of 289912496 is 694219982.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (289912499) 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, 285686 + ... + 286698.

Almost surely, 2^289912496 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 289912496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290701632).

289912496 is an abundant number, since it is smaller than the sum of its proper divisors (291490768).

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

289912496 is a wasteful number, since it uses less digits than its factorization.

289912496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1623 counting only the distinct ones).

The product of its digits is 559872, while the sum is 50.

The square root of 289912496 is about 17026.8169661860. The cubic root of 289912496 is about 661.8440135943.

The spelling of 289912496 in words is "two hundred eighty-nine million, nine hundred twelve thousand, four hundred ninety-six".