9974442 has 16 divisors (see below), whose sum is σ = 20190240. Its totient is φ = 3284592.

The previous prime is 9974431. The next prime is 9974443. The reversal of 9974442 is 2444799.

It is a happy number.

It is a super-2 number, since 2×9974442² = 198978986422728, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9974442.

It is not an unprimeable number, because it can be changed into a prime (9974443) 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, 9517 + ... + 10512.

It is an arithmetic number, because the mean of its divisors is an integer number (1261890).

Almost surely, 2^9974442 is an apocalyptic number.

9974442 is an abundant number, since it is smaller than the sum of its proper divisors (10215798).

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

9974442 is a wasteful number, since it uses less digits than its factorization.

9974442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117.

The product of its digits is 72576, while the sum is 39.

The square root of 9974442 is about 3158.2340001969. The cubic root of 9974442 is about 215.2597689413.

The spelling of 9974442 in words is "nine million, nine hundred seventy-four thousand, four hundred forty-two".