9542985 has 16 divisors (see below), whose sum is σ = 15422400. Its totient is φ = 5038400.

The previous prime is 9542971. The next prime is 9542987. The reversal of 9542985 is 5892459.

It is not a de Polignac number, because 9542985 - 2⁴ = 9542969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9542987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1635 + ... + 4664.

It is an arithmetic number, because the mean of its divisors is an integer number (963900).

Almost surely, 2^9542985 is an apocalyptic number.

It is an amenable number.

9542985 is a deficient number, since it is larger than the sum of its proper divisors (5879415).

9542985 is a wasteful number, since it uses less digits than its factorization.

9542985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6408.

The product of its digits is 129600, while the sum is 42.

The square root of 9542985 is about 3089.1722192199. The cubic root of 9542985 is about 212.1101317537.

The spelling of 9542985 in words is "nine million, five hundred forty-two thousand, nine hundred eighty-five".