288247212 has 72 divisors (see below), whose sum is σ = 797788992. Its totient is φ = 87026400.

The previous prime is 288247187. The next prime is 288247213. The reversal of 288247212 is 212742882.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (288247213) 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, 120387 + ... + 122757.

Almost surely, 2^288247212 is an apocalyptic number.

288247212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 288247212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (398894496).

288247212 is an abundant number, since it is smaller than the sum of its proper divisors (509541780).

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

288247212 is a wasteful number, since it uses less digits than its factorization.

288247212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2694 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 288247212 is about 16977.8447395422. The cubic root of 288247212 is about 660.5743485274.

The spelling of 288247212 in words is "two hundred eighty-eight million, two hundred forty-seven thousand, two hundred twelve".