244246009 has 16 divisors (see below), whose sum is σ = 283530240. Its totient is φ = 206079120.

The previous prime is 244246003. The next prime is 244246031. The reversal of 244246009 is 900642442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244246009 is a prime.

It is a super-2 number, since 2×244246009² = 119312225824856162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (244246003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207994 + ... + 209164.

It is an arithmetic number, because the mean of its divisors is an integer number (17720640).

Almost surely, 2^244246009 is an apocalyptic number.

It is an amenable number.

244246009 is a deficient number, since it is larger than the sum of its proper divisors (39284231).

244246009 is a wasteful number, since it uses less digits than its factorization.

244246009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 244246009 is about 15628.3719241641. The cubic root of 244246009 is about 625.0899147439.

The spelling of 244246009 in words is "two hundred forty-four million, two hundred forty-six thousand, nine".