9842542 has 16 divisors (see below), whose sum is σ = 15649200. Its totient is φ = 4634560.

The previous prime is 9842527. The next prime is 9842561. The reversal of 9842542 is 2452489.

It is a junction number, because it is equal to n+sod(n) for n = 9842498 and 9842507.

It is a congruent 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, 309 + ... + 4447.

It is an arithmetic number, because the mean of its divisors is an integer number (978075).

Almost surely, 2^9842542 is an apocalyptic number.

9842542 is a deficient number, since it is larger than the sum of its proper divisors (5806658).

9842542 is a wasteful number, since it uses less digits than its factorization.

9842542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4211.

The product of its digits is 23040, while the sum is 34.

The square root of 9842542 is about 3137.2825821083. The cubic root of 9842542 is about 214.3067049491.

The spelling of 9842542 in words is "nine million, eight hundred forty-two thousand, five hundred forty-two".