9749387 has 4 divisors (see below), whose sum is σ = 9758616. Its totient is φ = 9740160.

The previous prime is 9749359. The next prime is 9749393. The reversal of 9749387 is 7839479.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9749387 - 2⁶ = 9749323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9749317) 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, 2789 + ... + 5222.

It is an arithmetic number, because the mean of its divisors is an integer number (2439654).

Almost surely, 2^9749387 is an apocalyptic number.

9749387 is a deficient number, since it is larger than the sum of its proper divisors (9229).

9749387 is a wasteful number, since it uses less digits than its factorization.

9749387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9228.

The product of its digits is 381024, while the sum is 47.

The square root of 9749387 is about 3122.4008390980. The cubic root of 9749387 is about 213.6284568291.

The spelling of 9749387 in words is "nine million, seven hundred forty-nine thousand, three hundred eighty-seven".