244987 has 4 divisors (see below), whose sum is σ = 259416. Its totient is φ = 230560.

The previous prime is 244957. The next prime is 244997. The reversal of 244987 is 789442.

It is a happy number.

244987 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 789442 = 2 ⋅394721.

It is a cyclic number.

It is not a de Polignac number, because 244987 - 2⁷ = 244859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7189 + ... + 7222.

It is an arithmetic number, because the mean of its divisors is an integer number (64854).

2²⁴⁴⁹⁸⁷ is an apocalyptic number.

244987 is a deficient number, since it is larger than the sum of its proper divisors (14429).

244987 is a wasteful number, since it uses less digits than its factorization.

244987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14428.

The product of its digits is 16128, while the sum is 34.

The square root of 244987 is about 494.9616146733. The cubic root of 244987 is about 62.5721406995.

The spelling of 244987 in words is "two hundred forty-four thousand, nine hundred eighty-seven".