8358642 has 24 divisors (see below), whose sum is σ = 18197244. Its totient is φ = 2772864.

The previous prime is 8358619. The next prime is 8358643. The reversal of 8358642 is 2468538.

8358642 is a `hidden beast` number, since 8 + 3 + 5 + 8 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8346321 + 12321 = 2889^2 + 111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8358597 and 8358606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8358643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3198 + ... + 5190.

Almost surely, 2^8358642 is an apocalyptic number.

8358642 is an abundant number, since it is smaller than the sum of its proper divisors (9838602).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8358642 is a wasteful number, since it uses less digits than its factorization.

8358642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234 (or 2231 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 8358642 is about 2891.1316123622. The cubic root of 8358642 is about 202.9451023222.

The spelling of 8358642 in words is "eight million, three hundred fifty-eight thousand, six hundred forty-two".