244387 has 8 divisors (see below), whose sum is σ = 287280. Its totient is φ = 204960.

The previous prime is 244381. The next prime is 244393. The reversal of 244387 is 783442.

It is an interprime number because it is at equal distance from previous prime (244381) and next prime (244393).

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

It is a cyclic number.

It is not a de Polignac number, because 244387 - 2³ = 244379 is a prime.

It is a Duffinian number.

244387 is a lucky number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (244381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 712 + ... + 997.

It is an arithmetic number, because the mean of its divisors is an integer number (35910).

2²⁴⁴³⁸⁷ is an apocalyptic number.

244387 is a deficient number, since it is larger than the sum of its proper divisors (42893).

244387 is a wasteful number, since it uses less digits than its factorization.

244387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1733.

The product of its digits is 5376, while the sum is 28.

The square root of 244387 is about 494.3551355048. The cubic root of 244387 is about 62.5210169318.

The spelling of 244387 in words is "two hundred forty-four thousand, three hundred eighty-seven".