986542 has 16 divisors (see below), whose sum is σ = 1551312. Its totient is φ = 470080.

The previous prime is 986533. The next prime is 986543. The reversal of 986542 is 245689.

It is a happy number.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 986498 and 986507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (986543) by changing a digit.

986542 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4233 + ... + 4459.

It is an arithmetic number, because the mean of its divisors is an integer number (96957).

2⁹⁸⁶⁵⁴² is an apocalyptic number.

986542 is a deficient number, since it is larger than the sum of its proper divisors (564770).

986542 is a wasteful number, since it uses less digits than its factorization.

986542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323.

The product of its digits is 17280, while the sum is 34.

The square root of 986542 is about 993.2482066432. The cubic root of 986542 is about 99.5493723979.

The spelling of 986542 in words is "nine hundred eighty-six thousand, five hundred forty-two".