244381407 has 4 divisors (see below), whose sum is σ = 325841880. Its totient is φ = 162920936.

The previous prime is 244381391. The next prime is 244381447. The reversal of 244381407 is 704183442.

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

It is a cyclic number.

It is not a de Polignac number, because 244381407 - 2⁴ = 244381391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244381447) 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, 40730232 + ... + 40730237.

It is an arithmetic number, because the mean of its divisors is an integer number (81460470).

Almost surely, 2^244381407 is an apocalyptic number.

244381407 is a deficient number, since it is larger than the sum of its proper divisors (81460473).

244381407 is an equidigital number, since it uses as much as digits as its factorization.

244381407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81460472.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 244381407 is about 15632.7031251796. The cubic root of 244381407 is about 625.2053997967.

The spelling of 244381407 in words is "two hundred forty-four million, three hundred eighty-one thousand, four hundred seven".