9444990 has 64 divisors (see below), whose sum is σ = 23814144. Its totient is φ = 2395008.

The previous prime is 9444983. The next prime is 9445001. The reversal of 9444990 is 994449.

It is a happy number.

9444990 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 super-2 number, since 2×9444990² = 178415672200200, which contains 22 as substring.

It is a congruent number.

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, 74307 + ... + 74433.

It is an arithmetic number, because the mean of its divisors is an integer number (372096).

Almost surely, 2^9444990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9444990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11907072).

9444990 is an abundant number, since it is smaller than the sum of its proper divisors (14369154).

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

9444990 is a wasteful number, since it uses less digits than its factorization.

9444990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 9444990 is about 3073.2702451948. The cubic root of 9444990 is about 211.3815934880.

The spelling of 9444990 in words is "nine million, four hundred forty-four thousand, nine hundred ninety".