514688748 has 72 divisors (see below), whose sum is σ = 1400011200. Its totient is φ = 146738592.

The previous prime is 514688743. The next prime is 514688761. The reversal of 514688748 is 847886415.

It is a self number, because there is not a number n which added to its sum of digits gives 514688748.

It is not an unprimeable number, because it can be changed into a prime (514688743) 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 23 ways as a sum of consecutive naturals, for example, 504583 + ... + 505601.

It is an arithmetic number, because the mean of its divisors is an integer number (19444600).

Almost surely, 2^514688748 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 514688748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700005600).

514688748 is an abundant number, since it is smaller than the sum of its proper divisors (885322452).

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

514688748 is a wasteful number, since it uses less digits than its factorization.

514688748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1890 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 514688748 is about 22686.7526984362. The cubic root of 514688748 is about 801.3979453465.

The spelling of 514688748 in words is "five hundred fourteen million, six hundred eighty-eight thousand, seven hundred forty-eight".