986338542 has 48 divisors (see below), whose sum is σ = 2323848960. Its totient is φ = 278237232.

The previous prime is 986338511. The next prime is 986338571. The reversal of 986338542 is 245833689.

It is a junction number, because it is equal to n+sod(n) for n = 986338491 and 986338500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1993 + ... + 44459.

It is an arithmetic number, because the mean of its divisors is an integer number (48413520).

Almost surely, 2^986338542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 986338542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1161924480).

986338542 is an abundant number, since it is smaller than the sum of its proper divisors (1337510418).

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

986338542 is a wasteful number, since it uses less digits than its factorization.

986338542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42565 (or 42558 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 986338542 is about 31406.0271604035. The cubic root of 986338542 is about 995.4252845585.

The spelling of 986338542 in words is "nine hundred eighty-six million, three hundred thirty-eight thousand, five hundred forty-two".