7809896 has 16 divisors (see below), whose sum is σ = 14955840. Its totient is φ = 3821680.

The previous prime is 7809881. The next prime is 7809899. The reversal of 7809896 is 6989087.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a self number, because there is not a number n which added to its sum of digits gives 7809896.

It is not an unprimeable number, because it can be changed into a prime (7809899) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 10010 + ... + 10761.

It is an arithmetic number, because the mean of its divisors is an integer number (934740).

Almost surely, 2^7809896 is an apocalyptic number.

It is an amenable number.

7809896 is a deficient number, since it is larger than the sum of its proper divisors (7145944).

7809896 is a wasteful number, since it uses less digits than its factorization.

7809896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20824 (or 20820 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 47.

The square root of 7809896 is about 2794.6191153715. The cubic root of 7809896 is about 198.4030832204.

The spelling of 7809896 in words is "seven million, eight hundred nine thousand, eight hundred ninety-six".