9764138 has 16 divisors (see below), whose sum is σ = 15491520. Its totient is φ = 4602816.

The previous prime is 9764129. The next prime is 9764143. The reversal of 9764138 is 8314679.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a Curzon number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 9506 + ... + 10482.

It is an arithmetic number, because the mean of its divisors is an integer number (968220).

Almost surely, 2^9764138 is an apocalyptic number.

9764138 is a deficient number, since it is larger than the sum of its proper divisors (5727382).

9764138 is a wasteful number, since it uses less digits than its factorization.

9764138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261.

The product of its digits is 36288, while the sum is 38.

The square root of 9764138 is about 3124.7620709424. The cubic root of 9764138 is about 213.7361437845.

It can be divided in two parts, 97641 and 38, that added together give a palindrome (97679).

The spelling of 9764138 in words is "nine million, seven hundred sixty-four thousand, one hundred thirty-eight".