7872284 has 12 divisors (see below), whose sum is σ = 15744624. Its totient is φ = 3373824.

The previous prime is 7872283. The next prime is 7872313. The reversal of 7872284 is 4822787.

7872284 is an admirable number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7872283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140549 + ... + 140604.

It is an arithmetic number, because the mean of its divisors is an integer number (1312052).

Almost surely, 2^7872284 is an apocalyptic number.

It is an amenable number.

7872284 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

7872284 is a wasteful number, since it uses less digits than its factorization.

7872284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281164 (or 281162 counting only the distinct ones).

The product of its digits is 50176, while the sum is 38.

The square root of 7872284 is about 2805.7590773265. The cubic root of 7872284 is about 198.9299855545.

The spelling of 7872284 in words is "seven million, eight hundred seventy-two thousand, two hundred eighty-four".