9876542 has 16 divisors (see below), whose sum is σ = 16794960. Its totient is φ = 4318272.

The previous prime is 9876527. The next prime is 9876553. The reversal of 9876542 is 2456789.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 9876542.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9503 + ... + 10490.

It is an arithmetic number, because the mean of its divisors is an integer number (1049685).

Almost surely, 2^9876542 is an apocalyptic number.

9876542 is a deficient number, since it is larger than the sum of its proper divisors (6918418).

9876542 is a wasteful number, since it uses less digits than its factorization.

9876542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20027.

The product of its digits is 120960, while the sum is 41.

The square root of 9876542 is about 3142.6966127834. The cubic root of 9876542 is about 214.5531878181.

The spelling of 9876542 in words is "nine million, eight hundred seventy-six thousand, five hundred forty-two".