9999413 has 4 divisors (see below), whose sum is σ = 10008768. Its totient is φ = 9990060.

The previous prime is 9999401. The next prime is 9999419. The reversal of 9999413 is 3149999.

9999413 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9999413 - 2⁴ = 9999397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9999419) 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, 2831 + ... + 5292.

It is an arithmetic number, because the mean of its divisors is an integer number (2502192).

Almost surely, 2^9999413 is an apocalyptic number.

It is an amenable number.

9999413 is a deficient number, since it is larger than the sum of its proper divisors (9355).

9999413 is a wasteful number, since it uses less digits than its factorization.

9999413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9354.

The product of its digits is 78732, while the sum is 44.

The square root of 9999413 is about 3162.1848459570. The cubic root of 9999413 is about 215.4392534102.

The spelling of 9999413 in words is "nine million, nine hundred ninety-nine thousand, four hundred thirteen".