9872542 has 8 divisors (see below), whose sum is σ = 15153336. Its totient is φ = 4821432.

The previous prime is 9872521. The next prime is 9872567. The reversal of 9872542 is 2452789.

9872542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57313 + ... + 57484.

It is an arithmetic number, because the mean of its divisors is an integer number (1894167).

Almost surely, 2^9872542 is an apocalyptic number.

9872542 is a deficient number, since it is larger than the sum of its proper divisors (5280794).

9872542 is a wasteful number, since it uses less digits than its factorization.

9872542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114842.

The product of its digits is 40320, while the sum is 37.

The square root of 9872542 is about 3142.0601521931. The cubic root of 9872542 is about 214.5242192231.

The spelling of 9872542 in words is "nine million, eight hundred seventy-two thousand, five hundred forty-two".