288980839 has 8 divisors (see below), whose sum is σ = 330439040. Its totient is φ = 247566456.

The previous prime is 288980837. The next prime is 288980869. The reversal of 288980839 is 938089882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 288980839 - 2¹ = 288980837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288980839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288980831) 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, 4672 + ... + 24490.

It is an arithmetic number, because the mean of its divisors is an integer number (41304880).

Almost surely, 2^288980839 is an apocalyptic number.

288980839 is a deficient number, since it is larger than the sum of its proper divisors (41458201).

288980839 is a wasteful number, since it uses less digits than its factorization.

288980839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21909.

The product of its (nonzero) digits is 1990656, while the sum is 55.

The square root of 288980839 is about 16999.4364318350. The cubic root of 288980839 is about 661.1342899034.

The spelling of 288980839 in words is "two hundred eighty-eight million, nine hundred eighty thousand, eight hundred thirty-nine".