244828609 has 3 divisors (see below), whose sum is σ = 244844257. Its totient is φ = 244812962.

The previous prime is 244828603. The next prime is 244828657. The reversal of 244828609 is 906828442.

The square root of 244828609 is 15647.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 244828609 - 2⁷ = 244828481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244828603) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 7824 + ... + 23470.

Almost surely, 2^244828609 is an apocalyptic number.

244828609 is the 15647-th square number.

244828609 is the 7824-th centered octagonal number.

It is an amenable number.

244828609 is a deficient number, since it is larger than the sum of its proper divisors (15648).

244828609 is an frugal number, since it uses more digits than its factorization.

244828609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31294 (or 15647 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The cubic root of 244828609 is about 625.5865290816.

The spelling of 244828609 in words is "two hundred forty-four million, eight hundred twenty-eight thousand, six hundred nine".