9982542 has 16 divisors (see below), whose sum is σ = 20039040. Its totient is φ = 3315192.

The previous prime is 9982541. The next prime is 9982549. The reversal of 9982542 is 2452899.

It is a super-2 number, since 2×9982542² = 199302289563528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9982542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9982541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1242 + ... + 4637.

It is an arithmetic number, because the mean of its divisors is an integer number (1252440).

Almost surely, 2^9982542 is an apocalyptic number.

9982542 is an abundant number, since it is smaller than the sum of its proper divisors (10056498).

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

9982542 is a wasteful number, since it uses less digits than its factorization.

9982542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6167.

The product of its digits is 51840, while the sum is 39.

The square root of 9982542 is about 3159.5161021903. The cubic root of 9982542 is about 215.3180222371.

The spelling of 9982542 in words is "nine million, nine hundred eighty-two thousand, five hundred forty-two".