9937442 has 4 divisors (see below), whose sum is σ = 14906166. Its totient is φ = 4968720.

The previous prime is 9937441. The next prime is 9937481. The reversal of 9937442 is 2447399.

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

It can be written as a sum of positive squares in only one way, i.e., 9554281 + 383161 = 3091^2 + 619^2 .

It is an Ulam number.

It is a d-powerful number, because it can be written as 9³ + 9³ + 3¹⁴ + 7⁷ + 4⁶ + 4¹¹ + 2¹⁷ .

It is a junction number, because it is equal to n+sod(n) for n = 9937396 and 9937405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9937441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2484359 + ... + 2484362.

Almost surely, 2^9937442 is an apocalyptic number.

9937442 is a deficient number, since it is larger than the sum of its proper divisors (4968724).

9937442 is a wasteful number, since it uses less digits than its factorization.

9937442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4968723.

The product of its digits is 54432, while the sum is 38.

The square root of 9937442 is about 3152.3708538178. The cubic root of 9937442 is about 214.9932718284.

The spelling of 9937442 in words is "nine million, nine hundred thirty-seven thousand, four hundred forty-two".