244253381 has 8 divisors (see below), whose sum is σ = 246232224. Its totient is φ = 242280720.

The previous prime is 244253357. The next prime is 244253393. The reversal of 244253381 is 183352442.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244253381 is a prime.

It is a super-2 number, since 2×244253381² = 119319428259862322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244253881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106610 + ... + 108876.

It is an arithmetic number, because the mean of its divisors is an integer number (30779028).

Almost surely, 2^244253381 is an apocalyptic number.

It is an amenable number.

244253381 is a deficient number, since it is larger than the sum of its proper divisors (1978843).

244253381 is a wasteful number, since it uses less digits than its factorization.

244253381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091.

The product of its digits is 23040, while the sum is 32.

The square root of 244253381 is about 15628.6077754866. The cubic root of 244253381 is about 625.0962036443.

The spelling of 244253381 in words is "two hundred forty-four million, two hundred fifty-three thousand, three hundred eighty-one".