876542 has 4 divisors (see below), whose sum is σ = 1314816. Its totient is φ = 438270.

The previous prime is 876529. The next prime is 876569. The reversal of 876542 is 245678.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245678 = 2 ⋅122839.

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 876499 and 876508.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 876542.

It is an unprimeable number.

876542 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 as a sum of consecutive naturals, namely, 219134 + ... + 219137.

It is an arithmetic number, because the mean of its divisors is an integer number (328704).

2⁸⁷⁶⁵⁴² is an apocalyptic number.

876542 is a deficient number, since it is larger than the sum of its proper divisors (438274).

876542 is a wasteful number, since it uses less digits than its factorization.

876542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438273.

The product of its digits is 13440, while the sum is 32.

The square root of 876542 is about 936.2382175494. The cubic root of 876542 is about 95.7027116875.

The spelling of 876542 in words is "eight hundred seventy-six thousand, five hundred forty-two".