9949590 has 96 divisors (see below), whose sum is σ = 31337280. Its totient is φ = 2138112.

The previous prime is 9949549. The next prime is 9949601. The reversal of 9949590 is 959499.

It is a happy number.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10246 + ... + 11174.

It is an arithmetic number, because the mean of its divisors is an integer number (326430).

Almost surely, 2^9949590 is an apocalyptic number.

9949590 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 9949590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15668640).

9949590 is an abundant number, since it is smaller than the sum of its proper divisors (21387690).

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

9949590 is a wasteful number, since it uses less digits than its factorization.

9949590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966 (or 963 counting only the distinct ones).

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

The square root of 9949590 is about 3154.2970690789. The cubic root of 9949590 is about 215.0808421425.

The spelling of 9949590 in words is "nine million, nine hundred forty-nine thousand, five hundred ninety".