9925438 has 4 divisors (see below), whose sum is σ = 14888160. Its totient is φ = 4962718.

The previous prime is 9925387. The next prime is 9925439. The reversal of 9925438 is 8345299.

It is a happy number.

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

It is a super-3 number, since 3×9925438³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 9925438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9925439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2481358 + ... + 2481361.

It is an arithmetic number, because the mean of its divisors is an integer number (3722040).

Almost surely, 2^9925438 is an apocalyptic number.

9925438 is a deficient number, since it is larger than the sum of its proper divisors (4962722).

9925438 is a wasteful number, since it uses less digits than its factorization.

9925438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4962721.

The product of its digits is 77760, while the sum is 40.

The square root of 9925438 is about 3150.4663146906. The cubic root of 9925438 is about 214.9066694248.

The spelling of 9925438 in words is "nine million, nine hundred twenty-five thousand, four hundred thirty-eight".