514639820 has 24 divisors (see below), whose sum is σ = 1081884384. Its totient is φ = 205638656.

The previous prime is 514639819. The next prime is 514639823. The reversal of 514639820 is 28936415.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (514639823) 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 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 32748.

It is an arithmetic number, because the mean of its divisors is an integer number (45078516).

Almost surely, 2^514639820 is an apocalyptic number.

It is an amenable number.

514639820 is an abundant number, since it is smaller than the sum of its proper divisors (567244564).

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

514639820 is a wasteful number, since it uses less digits than its factorization.

514639820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27169 (or 27167 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 514639820 is about 22685.6743342577. The cubic root of 514639820 is about 801.3725500363.

The spelling of 514639820 in words is "five hundred fourteen million, six hundred thirty-nine thousand, eight hundred twenty".