9959804 has 18 divisors (see below), whose sum is σ = 18016992. Its totient is φ = 4817400.

The previous prime is 9959801. The next prime is 9959827. The reversal of 9959804 is 4089599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9959801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2549 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (1000944).

Almost surely, 2^9959804 is an apocalyptic number.

It is an amenable number.

9959804 is a deficient number, since it is larger than the sum of its proper divisors (8057188).

9959804 is a wasteful number, since it uses less digits than its factorization.

9959804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2657 (or 2624 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9959804 is about 3155.9157149709. The cubic root of 9959804 is about 215.1544158412.

The spelling of 9959804 in words is "nine million, nine hundred fifty-nine thousand, eight hundred four".