9660842 has 4 divisors (see below), whose sum is σ = 14491266. Its totient is φ = 4830420.

The previous prime is 9660841. The next prime is 9660863. The reversal of 9660842 is 2480669.

9660842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2480669 = 71 ⋅34939.

It can be written as a sum of positive squares in only one way, i.e., 8404201 + 1256641 = 2899^2 + 1121^2 .

It is not an unprimeable number, because it can be changed into a prime (9660841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2415209 + ... + 2415212.

Almost surely, 2^9660842 is an apocalyptic number.

9660842 is a deficient number, since it is larger than the sum of its proper divisors (4830424).

9660842 is a wasteful number, since it uses less digits than its factorization.

9660842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4830423.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 9660842 is about 3108.1895051621. The cubic root of 9660842 is about 212.9797566484.

The spelling of 9660842 in words is "nine million, six hundred sixty thousand, eight hundred forty-two".