9966342 has 16 divisors (see below), whose sum is σ = 20021040. Its totient is φ = 3307392.

The previous prime is 9966331. The next prime is 9966347. The reversal of 9966342 is 2436699.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 9966342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9966347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2167 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (1251315).

Almost surely, 2^9966342 is an apocalyptic number.

9966342 is an abundant number, since it is smaller than the sum of its proper divisors (10054698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9966342 is a wasteful number, since it uses less digits than its factorization.

9966342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7367.

The product of its digits is 69984, while the sum is 39.

The square root of 9966342 is about 3156.9513775160. The cubic root of 9966342 is about 215.2014840995.

The spelling of 9966342 in words is "nine million, nine hundred sixty-six thousand, three hundred forty-two".