7838564 has 24 divisors (see below), whose sum is σ = 15291360. Its totient is φ = 3494016.

The previous prime is 7838557. The next prime is 7838569. The reversal of 7838564 is 4658387.

It is a happy number.

7838564 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×7838564² = 122886171164192, which contains 22 as substring.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (7838569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1742 + ... + 4325.

It is an arithmetic number, because the mean of its divisors is an integer number (637140).

Almost surely, 2^7838564 is an apocalyptic number.

It is an amenable number.

7838564 is a deficient number, since it is larger than the sum of its proper divisors (7452796).

7838564 is a wasteful number, since it uses less digits than its factorization.

7838564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6107 (or 6105 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 7838564 is about 2799.7435596854. The cubic root of 7838564 is about 198.6455480056.

The spelling of 7838564 in words is "seven million, eight hundred thirty-eight thousand, five hundred sixty-four".