9581442 has 16 divisors (see below), whose sum is σ = 20637120. Its totient is φ = 2948112.

The previous prime is 9581431. The next prime is 9581461. The reversal of 9581442 is 2441859.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61342 + ... + 61497.

It is an arithmetic number, because the mean of its divisors is an integer number (1289820).

Almost surely, 2^9581442 is an apocalyptic number.

9581442 is an abundant number, since it is smaller than the sum of its proper divisors (11055678).

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

9581442 is a wasteful number, since it uses less digits than its factorization.

9581442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122857.

The product of its digits is 11520, while the sum is 33.

The square root of 9581442 is about 3095.3904438697. The cubic root of 9581442 is about 212.3946753713.

The spelling of 9581442 in words is "nine million, five hundred eighty-one thousand, four hundred forty-two".