244892005 has 16 divisors (see below), whose sum is σ = 298943424. Its totient is φ = 192551040.

The previous prime is 244891991. The next prime is 244892023. The reversal of 244892005 is 500298442.

244892005 = 175² + 176² + ... + 904².

It is a de Polignac number, because none of the positive numbers 2^k-244892005 is a prime.

It is a super-2 number, since 2×244892005² = 119944188225840050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119802 + ... + 121828.

It is an arithmetic number, because the mean of its divisors is an integer number (18683964).

Almost surely, 2^244892005 is an apocalyptic number.

It is an amenable number.

244892005 is a deficient number, since it is larger than the sum of its proper divisors (54051419).

244892005 is a wasteful number, since it uses less digits than its factorization.

244892005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2436.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 244892005 is about 15649.0256885213. The cubic root of 244892005 is about 625.6405209484.

The spelling of 244892005 in words is "two hundred forty-four million, eight hundred ninety-two thousand, five".