8268390 has 96 divisors (see below), whose sum is σ = 23901696. Its totient is φ = 1969920.

The previous prime is 8268389. The next prime is 8268397. The reversal of 8268390 is 938628.

8268390 is a `hidden beast` number, since 8 + 268 + 390 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8268397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43195 + ... + 43385.

It is an arithmetic number, because the mean of its divisors is an integer number (248976).

Almost surely, 2^8268390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8268390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11950848).

8268390 is an abundant number, since it is smaller than the sum of its proper divisors (15633306).

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

8268390 is a wasteful number, since it uses less digits than its factorization.

8268390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 8268390 is about 2875.4808293571. The cubic root of 8268390 is about 202.2120278017.

It can be divided in two parts, 826 and 8390, that added together give a square (9216 = 96²).

The spelling of 8268390 in words is "eight million, two hundred sixty-eight thousand, three hundred ninety".