9889438 has 8 divisors (see below), whose sum is σ = 15975288. Its totient is φ = 4564344.

The previous prime is 9889423. The next prime is 9889459. The reversal of 9889438 is 8349889.

It is a happy number.

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 = 9889391 and 9889400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190156 + ... + 190207.

It is an arithmetic number, because the mean of its divisors is an integer number (1996911).

Almost surely, 2^9889438 is an apocalyptic number.

9889438 is a deficient number, since it is larger than the sum of its proper divisors (6085850).

9889438 is a wasteful number, since it uses less digits than its factorization.

9889438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380378.

The product of its digits is 497664, while the sum is 49.

The square root of 9889438 is about 3144.7476846323. The cubic root of 9889438 is about 214.6465293448.

The spelling of 9889438 in words is "nine million, eight hundred eighty-nine thousand, four hundred thirty-eight".