9913438 has 8 divisors (see below), whose sum is σ = 15150888. Its totient is φ = 4863144.

The previous prime is 9913433. The next prime is 9913439. The reversal of 9913438 is 8343199.

9913438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9913397 and 9913406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913433) 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, 46656 + ... + 46867.

It is an arithmetic number, because the mean of its divisors is an integer number (1893861).

Almost surely, 2^9913438 is an apocalyptic number.

9913438 is a deficient number, since it is larger than the sum of its proper divisors (5237450).

9913438 is a wasteful number, since it uses less digits than its factorization.

9913438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93578.

The product of its digits is 23328, while the sum is 37.

The square root of 9913438 is about 3148.5612587339. The cubic root of 9913438 is about 214.8200260601.

The spelling of 9913438 in words is "nine million, nine hundred thirteen thousand, four hundred thirty-eight".