288861498 has 16 divisors (see below), whose sum is σ = 641914560. Its totient is φ = 96287148.

The previous prime is 288861493. The next prime is 288861499. The reversal of 288861498 is 894168882.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 5349287 = 288861498 / (2 + 8 + 8 + 8 + 6 + 1 + 4 + 9 + 8).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (288861491) 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, 2674590 + ... + 2674697.

It is an arithmetic number, because the mean of its divisors is an integer number (40119660).

Almost surely, 2^288861498 is an apocalyptic number.

288861498 is an abundant number, since it is smaller than the sum of its proper divisors (353053062).

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

288861498 is a wasteful number, since it uses less digits than its factorization.

288861498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5349298 (or 5349292 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 54.

The square root of 288861498 is about 16995.9259235853. The cubic root of 288861498 is about 661.0432673852.

The spelling of 288861498 in words is "two hundred eighty-eight million, eight hundred sixty-one thousand, four hundred ninety-eight".