7698242 has 16 divisors (see below), whose sum is σ = 11907000. Its totient is φ = 3730560.

The previous prime is 7698241. The next prime is 7698259. The reversal of 7698242 is 2428967.

It can be written as a sum of positive squares in 4 ways, for example, as 3613801 + 4084441 = 1901^2 + 2021^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7698196 and 7698205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7698241) 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 7 ways as a sum of consecutive naturals, for example, 21884 + ... + 22232.

Almost surely, 2^7698242 is an apocalyptic number.

7698242 is a deficient number, since it is larger than the sum of its proper divisors (4208758).

7698242 is a wasteful number, since it uses less digits than its factorization.

7698242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 48384, while the sum is 38.

The square root of 7698242 is about 2774.5705974078. The cubic root of 7698242 is about 197.4530529870.

The spelling of 7698242 in words is "seven million, six hundred ninety-eight thousand, two hundred forty-two".