244097728 has 28 divisors (see below), whose sum is σ = 553579792. Its totient is φ = 104613120.

The previous prime is 244097717. The next prime is 244097729. The reversal of 244097728 is 827790442.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (244097729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271983 + ... + 272878.

Almost surely, 2^244097728 is an apocalyptic number.

244097728 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

244097728 is an abundant number, since it is smaller than the sum of its proper divisors (309482064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244097728 is an equidigital number, since it uses as much as digits as its factorization.

244097728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544880 (or 544870 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 244097728 is about 15623.6272356966. The cubic root of 244097728 is about 624.9633924159.

The spelling of 244097728 in words is "two hundred forty-four million, ninety-seven thousand, seven hundred twenty-eight".