244917 has 16 divisors (see below), whose sum is σ = 372480. Its totient is φ = 158976.

The previous prime is 244901. The next prime is 244939. The reversal of 244917 is 719442.

It is a happy number.

It is not a de Polignac number, because 244917 - 2⁴ = 244901 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is an Ulam number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 244917.

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 15 ways as a sum of consecutive naturals, for example, 1173 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (23280).

2²⁴⁴⁹¹⁷ is an apocalyptic number.

244917 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

244917 is a deficient number, since it is larger than the sum of its proper divisors (127563).

244917 is a wasteful number, since it uses less digits than its factorization.

244917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 243 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 244917 is about 494.8908970672. The cubic root of 244917 is about 62.5661805641.

The spelling of 244917 in words is "two hundred forty-four thousand, nine hundred seventeen".