7852820 has 24 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 3130400.

The previous prime is 7852811. The next prime is 7852877. The reversal of 7852820 is 282587.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8165 + ... + 9075.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^7852820 is an apocalyptic number.

It is an amenable number.

7852820 is an abundant number, since it is smaller than the sum of its proper divisors (8694508).

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

7852820 is a wasteful number, since it uses less digits than its factorization.

7852820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351 (or 1349 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 7852820 is about 2802.2883506163. The cubic root of 7852820 is about 198.7659006568.

The spelling of 7852820 in words is "seven million, eight hundred fifty-two thousand, eight hundred twenty".