9904541 has 4 divisors (see below), whose sum is σ = 9919932. Its totient is φ = 9889152.

The previous prime is 9904519. The next prime is 9904547. The reversal of 9904541 is 1454099.

9904541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2992900 + 6911641 = 1730^2 + 2629^2 .

It is a cyclic number.

It is not a de Polignac number, because 9904541 - 2¹⁸ = 9642397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9904498 and 9904507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6686 + ... + 8031.

It is an arithmetic number, because the mean of its divisors is an integer number (2479983).

Almost surely, 2^9904541 is an apocalyptic number.

It is an amenable number.

9904541 is a deficient number, since it is larger than the sum of its proper divisors (15391).

9904541 is a wasteful number, since it uses less digits than its factorization.

9904541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15390.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 9904541 is about 3147.1480740505. The cubic root of 9904541 is about 214.7557420777.

The spelling of 9904541 in words is "nine million, nine hundred four thousand, five hundred forty-one".