7894641 has 16 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 5026560.

The previous prime is 7894639. The next prime is 7894643. The reversal of 7894641 is 1464987.

It is a happy number.

7894641 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7894639) and next prime (7894643).

It is not a de Polignac number, because 7894641 - 2¹ = 7894639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7894641.

It is not an unprimeable number, because it can be changed into a prime (7894643) 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 15 ways as a sum of consecutive naturals, for example, 8521 + ... + 9401.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^7894641 is an apocalyptic number.

It is an amenable number.

7894641 is a deficient number, since it is larger than the sum of its proper divisors (3112719).

7894641 is a wasteful number, since it uses less digits than its factorization.

7894641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016.

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

The square root of 7894641 is about 2809.7403794657. The cubic root of 7894641 is about 199.1181255358.

It can be divided in two parts, 78946 and 41, that added together give a palindrome (78987).

The spelling of 7894641 in words is "seven million, eight hundred ninety-four thousand, six hundred forty-one".