9661442 has 8 divisors (see below), whose sum is σ = 16562496. Its totient is φ = 4140612.

The previous prime is 9661441. The next prime is 9661459. The reversal of 9661442 is 2441669.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 9661399 and 9661408.

It is not an unprimeable number, because it can be changed into a prime (9661441) 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, 345038 + ... + 345065.

It is an arithmetic number, because the mean of its divisors is an integer number (2070312).

Almost surely, 2^9661442 is an apocalyptic number.

9661442 is a deficient number, since it is larger than the sum of its proper divisors (6901054).

9661442 is a wasteful number, since it uses less digits than its factorization.

9661442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690112.

The product of its digits is 10368, while the sum is 32.

The square root of 9661442 is about 3108.2860228750. The cubic root of 9661442 is about 212.9841656916.

The spelling of 9661442 in words is "nine million, six hundred sixty-one thousand, four hundred forty-two".