7828872 has 16 divisors (see below), whose sum is σ = 19572240. Its totient is φ = 2609616.

The previous prime is 7828853. The next prime is 7828879. The reversal of 7828872 is 2788287.

It is a super-2 number, since 2×7828872² = 122582473584768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7828879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163078 + ... + 163125.

It is an arithmetic number, because the mean of its divisors is an integer number (1223265).

Almost surely, 2^7828872 is an apocalyptic number.

It is an amenable number.

7828872 is an abundant number, since it is smaller than the sum of its proper divisors (11743368).

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

7828872 is a wasteful number, since it uses less digits than its factorization.

7828872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326212 (or 326208 counting only the distinct ones).

The product of its digits is 100352, while the sum is 42.

The square root of 7828872 is about 2798.0121515104. The cubic root of 7828872 is about 198.5636424126.

The spelling of 7828872 in words is "seven million, eight hundred twenty-eight thousand, eight hundred seventy-two".