42876 has 24 divisors (see below), whose sum is σ = 111440. Its totient is φ = 14256.

The previous prime is 42863. The next prime is 42899. The reversal of 42876 is 67824.

It is a Cunningham number, because it is equal to 35³+1.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nialpdrome in base 15.

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, 91 + ... + 306.

2⁴²⁸⁷⁶ is an apocalyptic number.

It is an amenable number.

42876 is an abundant number, since it is smaller than the sum of its proper divisors (68564).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55720).

42876 is a wasteful number, since it uses less digits than its factorization.

42876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410 (or 402 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 42876 is about 207.0652071208. The cubic root of 42876 is about 35.0002721067. Note that the first 3 decimals are identical.

Subtracting from 42876 its sum of digits (27), we obtain a square (42849 = 207²).

The spelling of 42876 in words is "forty-two thousand, eight hundred seventy-six".