7798641 has 8 divisors (see below), whose sum is σ = 10411680. Its totient is φ = 5192352.

The previous prime is 7798627. The next prime is 7798649. The reversal of 7798641 is 1468977.

7798641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-7798641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7798593 and 7798602.

It is not an unprimeable number, because it can be changed into a prime (7798649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2490 + ... + 4668.

It is an arithmetic number, because the mean of its divisors is an integer number (1301460).

Almost surely, 2^7798641 is an apocalyptic number.

It is an amenable number.

7798641 is a deficient number, since it is larger than the sum of its proper divisors (2613039).

7798641 is a wasteful number, since it uses less digits than its factorization.

7798641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375.

The product of its digits is 84672, while the sum is 42.

The square root of 7798641 is about 2792.6046981268. The cubic root of 7798641 is about 198.3077298274.

The spelling of 7798641 in words is "seven million, seven hundred ninety-eight thousand, six hundred forty-one".