8229390 has 32 divisors (see below), whose sum is σ = 21270816. Its totient is φ = 2025600.

The previous prime is 8229373. The next prime is 8229401. The reversal of 8229390 is 939228.

8229390 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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, 10161 + ... + 10940.

It is an arithmetic number, because the mean of its divisors is an integer number (664713).

Almost surely, 2^8229390 is an apocalyptic number.

8229390 is an abundant number, since it is smaller than the sum of its proper divisors (13041426).

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

8229390 is a wasteful number, since it uses less digits than its factorization.

8229390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21124.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 8229390 is about 2868.6913392695. The cubic root of 8229390 is about 201.8935981805.

The spelling of 8229390 in words is "eight million, two hundred twenty-nine thousand, three hundred ninety".