288860381 has 8 divisors (see below), whose sum is σ = 301942080. Its totient is φ = 275822272.

The previous prime is 288860353. The next prime is 288860389. The reversal of 288860381 is 183068882.

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

It is a cyclic number.

It is not a de Polignac number, because 288860381 - 2¹⁰ = 288859357 is a prime.

It is a super-2 number, since 2×288860381² = 166880639422930322, which contains 22 as substring.

It is a Duffinian number.

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, 3050 + ... + 24228.

It is an arithmetic number, because the mean of its divisors is an integer number (37742760).

Almost surely, 2^288860381 is an apocalyptic number.

It is an amenable number.

288860381 is a deficient number, since it is larger than the sum of its proper divisors (13081699).

288860381 is a wasteful number, since it uses less digits than its factorization.

288860381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21795.

The product of its (nonzero) digits is 147456, while the sum is 44.

The square root of 288860381 is about 16995.8930627372. The cubic root of 288860381 is about 661.0424153202.

The spelling of 288860381 in words is "two hundred eighty-eight million, eight hundred sixty thousand, three hundred eighty-one".