8668398 has 32 divisors (see below), whose sum is σ = 18040320. Its totient is φ = 2774720.

The previous prime is 8668381. The next prime is 8668403. The reversal of 8668398 is 8938668.

It is a super-2 number, since 2×8668398² = 150282247772808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16378 + ... + 16898.

It is an arithmetic number, because the mean of its divisors is an integer number (563760).

Almost surely, 2^8668398 is an apocalyptic number.

8668398 is an abundant number, since it is smaller than the sum of its proper divisors (9371922).

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

8668398 is a wasteful number, since it uses less digits than its factorization.

8668398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632.

The product of its digits is 497664, while the sum is 48.

The square root of 8668398 is about 2944.2143264375. The cubic root of 8668398 is about 205.4216820806.

The spelling of 8668398 in words is "eight million, six hundred sixty-eight thousand, three hundred ninety-eight".