9724404 has 12 divisors (see below), whose sum is σ = 22690304. Its totient is φ = 3241464.

The previous prime is 9724349. The next prime is 9724411. The reversal of 9724404 is 4044279.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405172 + ... + 405195.

Almost surely, 2^9724404 is an apocalyptic number.

It is an amenable number.

9724404 is an abundant number, since it is smaller than the sum of its proper divisors (12965900).

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

9724404 is a wasteful number, since it uses less digits than its factorization.

9724404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810374 (or 810372 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 9724404 is about 3118.3976654686. The cubic root of 9724404 is about 213.4458250038.

The spelling of 9724404 in words is "nine million, seven hundred twenty-four thousand, four hundred four".