10009404 has 36 divisors (see below), whose sum is σ = 26120640. Its totient is φ = 3228480.

The previous prime is 10009387. The next prime is 10009423. The reversal of 10009404 is 40490001.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

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 11 ways as a sum of consecutive naturals, for example, 3369 + ... + 5600.

Almost surely, 2^10009404 is an apocalyptic number.

It is an amenable number.

10009404 is an abundant number, since it is smaller than the sum of its proper divisors (16111236).

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

10009404 is a wasteful number, since it uses less digits than its factorization.

10009404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9010 (or 9005 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 10009404 is about 3163.7642137176. The cubic root of 10009404 is about 215.5109821906.

Adding to 10009404 its reverse (40490001), we get a palindrome (50499405).

It can be divided in two parts, 1000 and 9404, that added together give a square (10404 = 102²).

The spelling of 10009404 in words is "ten million, nine thousand, four hundred four".