7884965 has 12 divisors (see below), whose sum is σ = 10401132. Its totient is φ = 5734080.

The previous prime is 7884913. The next prime is 7884967. The reversal of 7884965 is 5694887.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 4008004 = 1969^2 + 2002^2 .

It is not a de Polignac number, because 7884965 - 2⁶ = 7884901 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7884967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5912 + ... + 7121.

It is an arithmetic number, because the mean of its divisors is an integer number (866761).

Almost surely, 2^7884965 is an apocalyptic number.

It is an amenable number.

7884965 is a deficient number, since it is larger than the sum of its proper divisors (2516167).

7884965 is a wasteful number, since it uses less digits than its factorization.

7884965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13060 (or 13049 counting only the distinct ones).

The product of its digits is 483840, while the sum is 47.

The square root of 7884965 is about 2808.0179842729. The cubic root of 7884965 is about 199.0367431291.

The spelling of 7884965 in words is "seven million, eight hundred eighty-four thousand, nine hundred sixty-five".