288904542 has 8 divisors (see below), whose sum is σ = 577809096. Its totient is φ = 96301512.

The previous prime is 288904529. The next prime is 288904549. The reversal of 288904542 is 245409882.

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

288904542 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 288904494 and 288904503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288904549) 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, 24075373 + ... + 24075384.

It is an arithmetic number, because the mean of its divisors is an integer number (72226137).

Almost surely, 2^288904542 is an apocalyptic number.

288904542 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.

288904542 is a wasteful number, since it uses less digits than its factorization.

288904542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48150762.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 288904542 is about 16997.1921798867. The cubic root of 288904542 is about 661.0761003442.

The spelling of 288904542 in words is "two hundred eighty-eight million, nine hundred four thousand, five hundred forty-two".