288860380 has 24 divisors (see below), whose sum is σ = 607435920. Its totient is φ = 115386240.

The previous prime is 288860353. The next prime is 288860389. The reversal of 288860380 is 83068882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288860389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5731 + ... + 24709.

It is an arithmetic number, because the mean of its divisors is an integer number (25309830).

Almost surely, 2^288860380 is an apocalyptic number.

288860380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

288860380 is an abundant number, since it is smaller than the sum of its proper divisors (318575540).

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

288860380 is a wasteful number, since it uses less digits than its factorization.

288860380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19749 (or 19747 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 288860380 is about 16995.8930333184. The cubic root of 288860380 is about 661.0424145574.

The spelling of 288860380 in words is "two hundred eighty-eight million, eight hundred sixty thousand, three hundred eighty".