8719998 has 16 divisors (see below), whose sum is σ = 19931520. Its totient is φ = 2491416.

The previous prime is 8719987. The next prime is 8719999. The reversal of 8719998 is 8999178.

8719998 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8719998.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8719999) 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, 103768 + ... + 103851.

It is an arithmetic number, because the mean of its divisors is an integer number (1245720).

Almost surely, 2^8719998 is an apocalyptic number.

8719998 is an abundant number, since it is smaller than the sum of its proper divisors (11211522).

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

8719998 is a wasteful number, since it uses less digits than its factorization.

8719998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207631.

The product of its digits is 326592, while the sum is 51.

The square root of 8719998 is about 2952.9642734039. The cubic root of 8719998 is about 205.8284775782.

The spelling of 8719998 in words is "eight million, seven hundred nineteen thousand, nine hundred ninety-eight".