289912798 has 16 divisors (see below), whose sum is σ = 526228704. Its totient is φ = 116939520.

The previous prime is 289912787. The next prime is 289912801. The reversal of 289912798 is 897219982.

289912798 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 608823 + ... + 609298.

It is an arithmetic number, because the mean of its divisors is an integer number (32889294).

Almost surely, 2^289912798 is an apocalyptic number.

289912798 is a deficient number, since it is larger than the sum of its proper divisors (236315906).

289912798 is a wasteful number, since it uses less digits than its factorization.

289912798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1218147.

The product of its digits is 1306368, while the sum is 55.

The square root of 289912798 is about 17026.8258345471. The cubic root of 289912798 is about 661.8442434072.

The spelling of 289912798 in words is "two hundred eighty-nine million, nine hundred twelve thousand, seven hundred ninety-eight".