8934390 has 48 divisors (see below), whose sum is σ = 23866128. Its totient is φ = 2317248.

The previous prime is 8934319. The next prime is 8934391. The reversal of 8934390 is 934398.

8934390 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8934391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1989 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (497211).

Almost surely, 2^8934390 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8934390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11933064).

8934390 is an abundant number, since it is smaller than the sum of its proper divisors (14931738).

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

8934390 is a wasteful number, since it uses less digits than its factorization.

8934390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2730 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 8934390 is about 2989.0449979885. The cubic root of 8934390 is about 207.5016886687.

The spelling of 8934390 in words is "eight million, nine hundred thirty-four thousand, three hundred ninety".