9980542 has 16 divisors (see below), whose sum is σ = 17588592. Its totient is φ = 4187520.

The previous prime is 9980539. The next prime is 9980599. The reversal of 9980542 is 2450899.

9980542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×9980542² = 199222437227528, which contains 22 as substring.

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, 17163 + ... + 17734.

It is an arithmetic number, because the mean of its divisors is an integer number (1099287).

Almost surely, 2^9980542 is an apocalyptic number.

9980542 is a deficient number, since it is larger than the sum of its proper divisors (7608050).

9980542 is a wasteful number, since it uses less digits than its factorization.

9980542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34923.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9980542 is about 3159.1995821727. The cubic root of 9980542 is about 215.3036416379.

The spelling of 9980542 in words is "nine million, nine hundred eighty thousand, five hundred forty-two".