288791461 has 8 divisors (see below), whose sum is σ = 349462080. Its totient is φ = 232974528.

The previous prime is 288791449. The next prime is 288791491. The reversal of 288791461 is 164197882.

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

It is not a de Polignac number, because 288791461 - 2⁵ = 288791429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288791411) 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, 1213291 + ... + 1213528.

It is an arithmetic number, because the mean of its divisors is an integer number (43682760).

Almost surely, 2^288791461 is an apocalyptic number.

It is an amenable number.

288791461 is a deficient number, since it is larger than the sum of its proper divisors (60670619).

288791461 is a wasteful number, since it uses less digits than its factorization.

288791461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426843.

The product of its digits is 193536, while the sum is 46.

The square root of 288791461 is about 16993.8653931353. The cubic root of 288791461 is about 660.9898378236.

The spelling of 288791461 in words is "two hundred eighty-eight million, seven hundred ninety-one thousand, four hundred sixty-one".