9937489 has 4 divisors (see below), whose sum is σ = 10063360. Its totient is φ = 9811620.

The previous prime is 9937483. The next prime is 9937493. The reversal of 9937489 is 9847399.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9847399 = 101 ⋅97499.

It is a cyclic number.

It is not a de Polignac number, because 9937489 - 2³ = 9937481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9937481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62817 + ... + 62974.

It is an arithmetic number, because the mean of its divisors is an integer number (2515840).

Almost surely, 2^9937489 is an apocalyptic number.

It is an amenable number.

9937489 is a deficient number, since it is larger than the sum of its proper divisors (125871).

9937489 is a wasteful number, since it uses less digits than its factorization.

9937489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125870.

The product of its digits is 489888, while the sum is 49.

The square root of 9937489 is about 3152.3783085157. The cubic root of 9937489 is about 214.9936107710.

The spelling of 9937489 in words is "nine million, nine hundred thirty-seven thousand, four hundred eighty-nine".