7896144 has 20 divisors (see below), whose sum is σ = 20398496. Its totient is φ = 2632032.

The previous prime is 7896139. The next prime is 7896157. The reversal of 7896144 is 4416987.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 82204 + ... + 82299.

Almost surely, 2^7896144 is an apocalyptic number.

It is an amenable number.

7896144 is an abundant number, since it is smaller than the sum of its proper divisors (12502352).

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

7896144 is a wasteful number, since it uses less digits than its factorization.

7896144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164514 (or 164508 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 7896144 is about 2810.0078291706. The cubic root of 7896144 is about 199.1307609236.

The spelling of 7896144 in words is "seven million, eight hundred ninety-six thousand, one hundred forty-four".