244868397 has 4 divisors (see below), whose sum is σ = 326491200. Its totient is φ = 163245596.

The previous prime is 244868383. The next prime is 244868443. The reversal of 244868397 is 793868442.

244868397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244868397 - 2⁷ = 244868269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244868497) 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, 40811397 + ... + 40811402.

It is an arithmetic number, because the mean of its divisors is an integer number (81622800).

Almost surely, 2^244868397 is an apocalyptic number.

It is an amenable number.

244868397 is a deficient number, since it is larger than the sum of its proper divisors (81622803).

244868397 is an equidigital number, since it uses as much as digits as its factorization.

244868397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81622802.

The product of its digits is 2322432, while the sum is 51.

The square root of 244868397 is about 15648.2713741806. The cubic root of 244868397 is about 625.6204160372.

The spelling of 244868397 in words is "two hundred forty-four million, eight hundred sixty-eight thousand, three hundred ninety-seven".