8669998 has 4 divisors (see below), whose sum is σ = 13005000. Its totient is φ = 4334998.

The previous prime is 8669993. The next prime is 8670007. The reversal of 8669998 is 8999668.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2167498 + ... + 2167501.

It is an arithmetic number, because the mean of its divisors is an integer number (3251250).

Almost surely, 2^8669998 is an apocalyptic number.

8669998 is a deficient number, since it is larger than the sum of its proper divisors (4335002).

8669998 is a wasteful number, since it uses less digits than its factorization.

8669998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4335001.

The product of its digits is 1679616, while the sum is 55.

The square root of 8669998 is about 2944.4860332493. The cubic root of 8669998 is about 205.4343201125.

The spelling of 8669998 in words is "eight million, six hundred sixty-nine thousand, nine hundred ninety-eight".