9976542 has 8 divisors (see below), whose sum is σ = 19953096. Its totient is φ = 3325512.

The previous prime is 9976541. The next prime is 9976553. The reversal of 9976542 is 2456799.

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

9976542 is an admirable number.

It is a d-powerful number, because it can be written as 9 + 9⁶ + 7 + 6⁵ + 5³ + 4¹⁰ + 2²³ .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9976494 and 9976503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9976541) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 831373 + ... + 831384.

It is an arithmetic number, because the mean of its divisors is an integer number (2494137).

Almost surely, 2^9976542 is an apocalyptic number.

9976542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9976542 is a wasteful number, since it uses less digits than its factorization.

9976542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1662762.

The product of its digits is 136080, while the sum is 42.

The square root of 9976542 is about 3158.5664469819. The cubic root of 9976542 is about 215.2748746750.

It can be divided in two parts, 9 and 976542, that multiplied together give a palindrome (8788878).

The spelling of 9976542 in words is "nine million, nine hundred seventy-six thousand, five hundred forty-two".