7896664 has 8 divisors (see below), whose sum is σ = 14806260. Its totient is φ = 3948328.

The previous prime is 7896631. The next prime is 7896689. The reversal of 7896664 is 4666987.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 493534 + ... + 493549.

Almost surely, 2^7896664 is an apocalyptic number.

It is an amenable number.

7896664 is a deficient number, since it is larger than the sum of its proper divisors (6909596).

7896664 is a wasteful number, since it uses less digits than its factorization.

7896664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987089 (or 987085 counting only the distinct ones).

The product of its digits is 435456, while the sum is 46.

The square root of 7896664 is about 2810.1003540799. The cubic root of 7896664 is about 199.1351320750.

The spelling of 7896664 in words is "seven million, eight hundred ninety-six thousand, six hundred sixty-four".