84288272 has 10 divisors (see below), whose sum is σ = 163308558. Its totient is φ = 42144128.

The previous prime is 84288271. The next prime is 84288301. The reversal of 84288272 is 27288248.

It can be written as a sum of positive squares in only one way, i.e., 53640976 + 30647296 = 7324^2 + 5536^2 .

It is not an unprimeable number, because it can be changed into a prime (84288271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2633993 + ... + 2634024.

Almost surely, 2^84288272 is an apocalyptic number.

It is an amenable number.

84288272 is a deficient number, since it is larger than the sum of its proper divisors (79020286).

84288272 is a wasteful number, since it uses less digits than its factorization.

84288272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268025 (or 5268019 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 84288272 is about 9180.8644473165. The cubic root of 84288272 is about 438.4523311623.

The spelling of 84288272 in words is "eighty-four million, two hundred eighty-eight thousand, two hundred seventy-two".