244242399 has 4 divisors (see below), whose sum is σ = 325656536. Its totient is φ = 162828264.

The previous prime is 244242389. The next prime is 244242407. The reversal of 244242399 is 993242442.

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

It is not a de Polignac number, because 244242399 - 2¹⁷ = 244111327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244242329) 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, 40707064 + ... + 40707069.

It is an arithmetic number, because the mean of its divisors is an integer number (81414134).

Almost surely, 2^244242399 is an apocalyptic number.

244242399 is a deficient number, since it is larger than the sum of its proper divisors (81414137).

244242399 is an equidigital number, since it uses as much as digits as its factorization.

244242399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81414136.

The product of its digits is 124416, while the sum is 39.

The square root of 244242399 is about 15628.2564286615. The cubic root of 244242399 is about 625.0868350816.

The spelling of 244242399 in words is "two hundred forty-four million, two hundred forty-two thousand, three hundred ninety-nine".