288920093 has 16 divisors (see below), whose sum is σ = 371834880. Its totient is φ = 217868400.

The previous prime is 288920063. The next prime is 288920101. The reversal of 288920093 is 390029882.

It is a cyclic number.

It is not a de Polignac number, because 288920093 - 2¹⁰ = 288919069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 288920093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288920033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58133 + ... + 62906.

It is an arithmetic number, because the mean of its divisors is an integer number (23239680).

Almost surely, 2^288920093 is an apocalyptic number.

It is an amenable number.

288920093 is a deficient number, since it is larger than the sum of its proper divisors (82914787).

288920093 is a wasteful number, since it uses less digits than its factorization.

288920093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121088.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 288920093 is about 16997.6496316403. The cubic root of 288920093 is about 661.0879614823.

The spelling of 288920093 in words is "two hundred eighty-eight million, nine hundred twenty thousand, ninety-three".