8621898 has 16 divisors (see below), whose sum is σ = 17302656. Its totient is φ = 2864160.

The previous prime is 8621897. The next prime is 8621911. The reversal of 8621898 is 8981268.

It is not an unprimeable number, because it can be changed into a prime (8621897) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (1081416).

Almost surely, 2^8621898 is an apocalyptic number.

8621898 is an abundant number, since it is smaller than the sum of its proper divisors (8680758).

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

8621898 is a wasteful number, since it uses less digits than its factorization.

8621898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909.

The product of its digits is 55296, while the sum is 42.

The square root of 8621898 is about 2936.3068640726. The cubic root of 8621898 is about 205.0537079187.

The spelling of 8621898 in words is "eight million, six hundred twenty-one thousand, eight hundred ninety-eight".