9389490 has 64 divisors (see below), whose sum is σ = 25280640. Its totient is φ = 2211840.

The previous prime is 9389489. The next prime is 9389531. The reversal of 9389490 is 949839.

9389490 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 an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11826 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (395010).

Almost surely, 2^9389490 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9389490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12640320).

9389490 is an abundant number, since it is smaller than the sum of its proper divisors (15891150).

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

9389490 is a wasteful number, since it uses less digits than its factorization.

9389490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 9389490 is about 3064.2274719740. The cubic root of 9389490 is about 210.9667445324.

The spelling of 9389490 in words is "nine million, three hundred eighty-nine thousand, four hundred ninety".