9874 has 4 divisors (see below), whose sum is σ = 14814. Its totient is φ = 4936.

The previous prime is 9871. The next prime is 9883. The reversal of 9874 is 4789.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8649 + 1225 = 93^2 + 35^2 .

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2467 + ... + 2470.

2⁹⁸⁷⁴ is an apocalyptic number.

9874 is a deficient number, since it is larger than the sum of its proper divisors (4940).

9874 is a wasteful number, since it uses less digits than its factorization.

9874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939.

The product of its digits is 2016, while the sum is 28.

The square root of 9874 is about 99.3680028983. The cubic root of 9874 is about 21.4534779182.

The spelling of 9874 in words is "nine thousand, eight hundred seventy-four".