9961442 has 32 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 4547200.

The previous prime is 9961429. The next prime is 9961451. The reversal of 9961442 is 2441699.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140267 + ... + 140337.

It is an arithmetic number, because the mean of its divisors is an integer number (510300).

Almost surely, 2^9961442 is an apocalyptic number.

9961442 is a deficient number, since it is larger than the sum of its proper divisors (6368158).

9961442 is a wasteful number, since it uses less digits than its factorization.

9961442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202.

The product of its digits is 15552, while the sum is 35.

The square root of 9961442 is about 3156.1752169358. The cubic root of 9961442 is about 215.1662100363.

The spelling of 9961442 in words is "nine million, nine hundred sixty-one thousand, four hundred forty-two".