288382885 has 12 divisors (see below), whose sum is σ = 402559308. Its totient is φ = 197748096.

The previous prime is 288382879. The next prime is 288382907. The reversal of 288382885 is 588283882.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 191517921 + 96864964 = 13839^2 + 9842^2 .

It is not a de Polignac number, because 288382885 - 2³ = 288382877 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 11 ways as a sum of consecutive naturals, for example, 588292 + ... + 588781.

It is an arithmetic number, because the mean of its divisors is an integer number (33546609).

Almost surely, 2^288382885 is an apocalyptic number.

It is an amenable number.

288382885 is a deficient number, since it is larger than the sum of its proper divisors (114176423).

288382885 is a wasteful number, since it uses less digits than its factorization.

288382885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177092 (or 1177085 counting only the distinct ones).

The product of its digits is 1966080, while the sum is 52.

The square root of 288382885 is about 16981.8398590965. The cubic root of 288382885 is about 660.6779725954.

The spelling of 288382885 in words is "two hundred eighty-eight million, three hundred eighty-two thousand, eight hundred eighty-five".