9940590 has 64 divisors (see below), whose sum is σ = 28926720. Its totient is φ = 2409120.

The previous prime is 9940571. The next prime is 9940603. The reversal of 9940590 is 950499.

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, 1297 + ... + 4643.

It is an arithmetic number, because the mean of its divisors is an integer number (451980).

Almost surely, 2^9940590 is an apocalyptic number.

9940590 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 9940590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14463360).

9940590 is an abundant number, since it is smaller than the sum of its proper divisors (18986130).

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

9940590 is a wasteful number, since it uses less digits than its factorization.

9940590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3368 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 9940590 is about 3152.8701210167. The cubic root of 9940590 is about 215.0159714113.

The spelling of 9940590 in words is "nine million, nine hundred forty thousand, five hundred ninety".