8669388 has 96 divisors (see below), whose sum is σ = 26417664. Its totient is φ = 2147328.

The previous prime is 8669351. The next prime is 8669389. The reversal of 8669388 is 8839668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8669389) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18331 + ... + 18797.

It is an arithmetic number, because the mean of its divisors is an integer number (275184).

Almost surely, 2^8669388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8669388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13208832).

8669388 is an abundant number, since it is smaller than the sum of its proper divisors (17748276).

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

8669388 is a wasteful number, since it uses less digits than its factorization.

8669388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511 (or 509 counting only the distinct ones).

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

The square root of 8669388 is about 2944.3824479846. The cubic root of 8669388 is about 205.4295020463.

The spelling of 8669388 in words is "eight million, six hundred sixty-nine thousand, three hundred eighty-eight".