493944448 has 16 divisors (see below), whose sum is σ = 984030210. Its totient is φ = 246972160.

The previous prime is 493944427. The next prime is 493944449. The reversal of 493944448 is 844449394.

It can be written as a sum of positive squares in only one way, i.e., 439657024 + 54287424 = 20968^2 + 7368^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×493944448² = 487962235420049408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (493944449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1929343 + ... + 1929598.

Almost surely, 2^493944448 is an apocalyptic number.

It is an amenable number.

493944448 is a deficient number, since it is larger than the sum of its proper divisors (490085762).

493944448 is an equidigital number, since it uses as much as digits as its factorization.

493944448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858955 (or 3858943 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 49.

The square root of 493944448 is about 22224.8610344362. The cubic root of 493944448 is about 790.4833062494.

The spelling of 493944448 in words is "four hundred ninety-three million, nine hundred forty-four thousand, four hundred forty-eight".