9938534 has 4 divisors (see below), whose sum is σ = 14907804. Its totient is φ = 4969266.

The previous prime is 9938531. The next prime is 9938549. The reversal of 9938534 is 4358399.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4358399 = 149 ⋅29251.

It is a junction number, because it is equal to n+sod(n) for n = 9938491 and 9938500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484632 + ... + 2484635.

It is an arithmetic number, because the mean of its divisors is an integer number (3726951).

Almost surely, 2^9938534 is an apocalyptic number.

9938534 is a deficient number, since it is larger than the sum of its proper divisors (4969270).

9938534 is a wasteful number, since it uses less digits than its factorization.

9938534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4969269.

The product of its digits is 116640, while the sum is 41.

The square root of 9938534 is about 3152.5440520316. The cubic root of 9938534 is about 215.0011465596.

The spelling of 9938534 in words is "nine million, nine hundred thirty-eight thousand, five hundred thirty-four".