289338898 has 4 divisors (see below), whose sum is σ = 434008350. Its totient is φ = 144669448.

The previous prime is 289338871. The next prime is 289338899. The reversal of 289338898 is 898833982.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 898833982 = 2 ⋅449416991.

It can be written as a sum of positive squares in only one way, i.e., 246081969 + 43256929 = 15687^2 + 6577^2 .

It is not an unprimeable number, because it can be changed into a prime (289338899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72334723 + ... + 72334726.

Almost surely, 2^289338898 is an apocalyptic number.

289338898 is a deficient number, since it is larger than the sum of its proper divisors (144669452).

289338898 is a wasteful number, since it uses less digits than its factorization.

289338898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144669451.

The product of its digits is 5971968, while the sum is 58.

The square root of 289338898 is about 17009.9646678058. The cubic root of 289338898 is about 661.4072346196.

The spelling of 289338898 in words is "two hundred eighty-nine million, three hundred thirty-eight thousand, eight hundred ninety-eight".