9994590 has 64 divisors (see below), whose sum is σ = 27040320. Its totient is φ = 2659392.

The previous prime is 9994573. The next prime is 9994603. The reversal of 9994590 is 954999.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 21642 + ... + 22098.

It is an arithmetic number, because the mean of its divisors is an integer number (422505).

Almost surely, 2^9994590 is an apocalyptic number.

9994590 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9994590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13520160).

9994590 is an abundant number, since it is smaller than the sum of its proper divisors (17045730).

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

9994590 is an equidigital number, since it uses as much as digits as its factorization.

9994590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 467 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The square root of 9994590 is about 3161.4221483377. The cubic root of 9994590 is about 215.4046103559.

The spelling of 9994590 in words is "nine million, nine hundred ninety-four thousand, five hundred ninety".