8620842 has 16 divisors (see below), whose sum is σ = 17359200. Its totient is φ = 2854032.

The previous prime is 8620841. The next prime is 8620847. The reversal of 8620842 is 2480268.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8620841) 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, 3928 + ... + 5715.

It is an arithmetic number, because the mean of its divisors is an integer number (1084950).

Almost surely, 2^8620842 is an apocalyptic number.

8620842 is an abundant number, since it is smaller than the sum of its proper divisors (8738358).

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

8620842 is a wasteful number, since it uses less digits than its factorization.

8620842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9797.

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 8620842 is about 2936.1270408482. The cubic root of 8620842 is about 205.0453359973.

The spelling of 8620842 in words is "eight million, six hundred twenty thousand, eight hundred forty-two".