9660228439 has 4 divisors (see below), whose sum is σ = 9666233920. Its totient is φ = 9654222960.

The previous prime is 9660228373. The next prime is 9660228443. The reversal of 9660228439 is 9348220669.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9348220669 = 2251 ⋅4152919.

It is a cyclic number.

It is not a de Polignac number, because 9660228439 - 2¹¹ = 9660226391 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9660228392 and 9660228401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9660228449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3000327 + ... + 3003544.

It is an arithmetic number, because the mean of its divisors is an integer number (2416558480).

Almost surely, 2^9660228439 is an apocalyptic number.

9660228439 is a deficient number, since it is larger than the sum of its proper divisors (6005481).

9660228439 is a wasteful number, since it uses less digits than its factorization.

9660228439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6005480.

The product of its (nonzero) digits is 1119744, while the sum is 49.

The square root of 9660228439 is about 98286.4611174906. The cubic root of 9660228439 is about 2129.7524776475.

The spelling of 9660228439 in words is "nine billion, six hundred sixty million, two hundred twenty-eight thousand, four hundred thirty-nine".