8861998 has 8 divisors (see below), whose sum is σ = 14074992. Its totient is φ = 4170336.

The previous prime is 8861989. The next prime is 8862013. The reversal of 8861998 is 8991688.

It is a happy number.

8861998 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130290 + ... + 130357.

It is an arithmetic number, because the mean of its divisors is an integer number (1759374).

Almost surely, 2^8861998 is an apocalyptic number.

8861998 is a deficient number, since it is larger than the sum of its proper divisors (5212994).

8861998 is a wasteful number, since it uses less digits than its factorization.

8861998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260666.

The product of its digits is 248832, while the sum is 49.

The square root of 8861998 is about 2976.9108149221. The cubic root of 8861998 is about 206.9397321183.

The spelling of 8861998 in words is "eight million, eight hundred sixty-one thousand, nine hundred ninety-eight".