289397396 has 12 divisors (see below), whose sum is σ = 518223552. Its totient is φ = 141333528.

The previous prime is 289397363. The next prime is 289397401. The reversal of 289397396 is 693793982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 841100 + ... + 841443.

It is an arithmetic number, because the mean of its divisors is an integer number (43185296).

Almost surely, 2^289397396 is an apocalyptic number.

It is an amenable number.

289397396 is a deficient number, since it is larger than the sum of its proper divisors (228826156).

289397396 is a wasteful number, since it uses less digits than its factorization.

289397396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1682590 (or 1682588 counting only the distinct ones).

The product of its digits is 4408992, while the sum is 56.

The square root of 289397396 is about 17011.6841024044. The cubic root of 289397396 is about 661.4518056439.

The spelling of 289397396 in words is "two hundred eighty-nine million, three hundred ninety-seven thousand, three hundred ninety-six".