288870681 has 24 divisors (see below), whose sum is σ = 448271712. Its totient is φ = 164771200.

The previous prime is 288870583. The next prime is 288870683. The reversal of 288870681 is 186078882.

It is not a de Polignac number, because 288870681 - 2¹³ = 288862489 is a prime.

It is a super-2 number, since 2×288870681² = 166892540682807522, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 288870681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (288870683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17235 + ... + 29576.

It is an arithmetic number, because the mean of its divisors is an integer number (18677988).

Almost surely, 2^288870681 is an apocalyptic number.

It is an amenable number.

288870681 is a deficient number, since it is larger than the sum of its proper divisors (159401031).

288870681 is a wasteful number, since it uses less digits than its factorization.

288870681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46853 (or 46842 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The square root of 288870681 is about 16996.1960744162. The cubic root of 288870681 is about 661.0502722370.

The spelling of 288870681 in words is "two hundred eighty-eight million, eight hundred seventy thousand, six hundred eighty-one".