514448728 has 16 divisors (see below), whose sum is σ = 1006530480. Its totient is φ = 246040608.

The previous prime is 514448723. The next prime is 514448741. The reversal of 514448728 is 827844415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (514448723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1397775 + ... + 1398142.

It is an arithmetic number, because the mean of its divisors is an integer number (62908155).

Almost surely, 2^514448728 is an apocalyptic number.

It is an amenable number.

514448728 is a deficient number, since it is larger than the sum of its proper divisors (492081752).

514448728 is a wasteful number, since it uses less digits than its factorization.

514448728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2795946 (or 2795942 counting only the distinct ones).

The product of its digits is 286720, while the sum is 43.

The square root of 514448728 is about 22681.4622103602. The cubic root of 514448728 is about 801.2733513119.

The spelling of 514448728 in words is "five hundred fourteen million, four hundred forty-eight thousand, seven hundred twenty-eight".