289538996 has 24 divisors (see below), whose sum is σ = 533421504. Its totient is φ = 137244800.

The previous prime is 289538981. The next prime is 289538999. The reversal of 289538996 is 699835982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289538999) 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, 3530 + ... + 24321.

It is an arithmetic number, because the mean of its divisors is an integer number (22225896).

Almost surely, 2^289538996 is an apocalyptic number.

It is an amenable number.

289538996 is a deficient number, since it is larger than the sum of its proper divisors (243882508).

289538996 is a wasteful number, since it uses less digits than its factorization.

289538996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27991 (or 27989 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 59.

The square root of 289538996 is about 17015.8454388843. The cubic root of 289538996 is about 661.5596692082.

The spelling of 289538996 in words is "two hundred eighty-nine million, five hundred thirty-eight thousand, nine hundred ninety-six".