288969438 has 8 divisors (see below), whose sum is σ = 577938888. Its totient is φ = 96323144.

The previous prime is 288969431. The next prime is 288969467. The reversal of 288969438 is 834969882.

288969438 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

288969438 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288969431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24080781 + ... + 24080792.

It is an arithmetic number, because the mean of its divisors is an integer number (72242361).

Almost surely, 2^288969438 is an apocalyptic number.

288969438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288969438 is a wasteful number, since it uses less digits than its factorization.

288969438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48161578.

The product of its digits is 5971968, while the sum is 57.

The square root of 288969438 is about 16999.1010938814. The cubic root of 288969438 is about 661.1255953348.

It can be divided in two parts, 2889 and 69438, that added together give a palindrome (72327).

The spelling of 288969438 in words is "two hundred eighty-eight million, nine hundred sixty-nine thousand, four hundred thirty-eight".