7882985 has 16 divisors (see below), whose sum is σ = 10927872. Its totient is φ = 5395200.

The previous prime is 7882957. The next prime is 7882991. The reversal of 7882985 is 5892887.

It is not a de Polignac number, because 7882985 - 2⁸ = 7882729 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3281 + ... + 5150.

It is an arithmetic number, because the mean of its divisors is an integer number (682992).

Almost surely, 2^7882985 is an apocalyptic number.

It is an amenable number.

7882985 is a deficient number, since it is larger than the sum of its proper divisors (3044887).

7882985 is a wasteful number, since it uses less digits than its factorization.

7882985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8464.

The product of its digits is 322560, while the sum is 47.

The square root of 7882985 is about 2807.6654002926. The cubic root of 7882985 is about 199.0200816414.

It can be divided in two parts, 7882 and 985, that multiplied together give a triangular number (7763770 = T₃₉₄₀).

The spelling of 7882985 in words is "seven million, eight hundred eighty-two thousand, nine hundred eighty-five".