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2874 = 23479

2874 has 8 divisors (see below), whose sum is σ = 5760. Its totient is φ = 956.

The previous prime is 2861. The next prime is 2879. The reversal of 2874 is 4782.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2874 is an admirable number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 2874.

It is not an unprimeable number, because it can be changed into a prime (2879) by changing a digit.

2874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 245.

It is an arithmetic number, because the mean of its divisors is an integer number (720).

22874 is an apocalyptic number.

2874 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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 (2880).

2874 is a wasteful number, since it uses less digits than its factorization.

2874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484.

The product of its digits is 448, while the sum is 21.

The square root of 2874 is about 53.6097006147. The cubic root of 2874 is about 14.2176860895.

The spelling of 2874 in words is "two thousand, eight hundred seventy-four".

Divisors: 1 2 3 6 479 958 1437 2874