7898768 has 20 divisors (see below), whose sum is σ = 15556668. Its totient is φ = 3884160.

The previous prime is 7898767. The next prime is 7898789. The reversal of 7898768 is 8678987.

It can be written as a sum of positive squares in 2 ways, for example, as 1507984 + 6390784 = 1228^2 + 2528^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (7898767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071 + ... + 5022.

Almost surely, 2^7898768 is an apocalyptic number.

It is an amenable number.

7898768 is a deficient number, since it is larger than the sum of its proper divisors (7657900).

7898768 is a wasteful number, since it uses less digits than its factorization.

7898768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8162 (or 8156 counting only the distinct ones).

The product of its digits is 1354752, while the sum is 53.

The square root of 7898768 is about 2810.4746930012. The cubic root of 7898768 is about 199.1528164673.

The spelling of 7898768 in words is "seven million, eight hundred ninety-eight thousand, seven hundred sixty-eight".