288090906 has 8 divisors (see below), whose sum is σ = 576181824. Its totient is φ = 96030300.

The previous prime is 288090883. The next prime is 288090911. The reversal of 288090906 is 609090882.

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

288090906 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24007570 + ... + 24007581.

It is an arithmetic number, because the mean of its divisors is an integer number (72022728).

Almost surely, 2^288090906 is an apocalyptic number.

288090906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

288090906 is a wasteful number, since it uses less digits than its factorization.

288090906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48015156.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 288090906 is about 16973.2408808689. The cubic root of 288090906 is about 660.4549251081.

The spelling of 288090906 in words is "two hundred eighty-eight million, ninety thousand, nine hundred six".