288920005 has 8 divisors (see below), whose sum is σ = 378222624. Its totient is φ = 210123600.

The previous prime is 288919987. The next prime is 288920017. The reversal of 288920005 is 500029882.

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

It is not a de Polignac number, because 288920005 - 2⁷ = 288919877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2626491 + ... + 2626600.

It is an arithmetic number, because the mean of its divisors is an integer number (47277828).

Almost surely, 2^288920005 is an apocalyptic number.

It is an amenable number.

288920005 is a deficient number, since it is larger than the sum of its proper divisors (89302619).

288920005 is a wasteful number, since it uses less digits than its factorization.

288920005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253107.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 288920005 is about 16997.6470430469. The cubic root of 288920005 is about 661.0878943637.

Adding to 288920005 its reverse (500029882), we get a palindrome (788949887).

The spelling of 288920005 in words is "two hundred eighty-eight million, nine hundred twenty thousand, five".