288634481 has 8 divisors (see below), whose sum is σ = 292922784. Its totient is φ = 284355360.

The previous prime is 288634471. The next prime is 288634501. The reversal of 288634481 is 184436882.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288634481 is a prime.

It is a super-2 number, since 2×288634481² = 166619727244278722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288634421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84986 + ... + 88316.

It is an arithmetic number, because the mean of its divisors is an integer number (36615348).

Almost surely, 2^288634481 is an apocalyptic number.

It is an amenable number.

288634481 is a deficient number, since it is larger than the sum of its proper divisors (4288303).

288634481 is a wasteful number, since it uses less digits than its factorization.

288634481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4591.

The product of its digits is 294912, while the sum is 44.

The square root of 288634481 is about 16989.2460397747. The cubic root of 288634481 is about 660.8700501275.

The spelling of 288634481 in words is "two hundred eighty-eight million, six hundred thirty-four thousand, four hundred eighty-one".