515832428 has 12 divisors (see below), whose sum is σ = 955807272. Its totient is φ = 242744640.

The previous prime is 515832419. The next prime is 515832461. The reversal of 515832428 is 824238515.

It is a junction number, because it is equal to n+sod(n) for n = 515832391 and 515832400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792818 + ... + 3792953.

It is an arithmetic number, because the mean of its divisors is an integer number (79650606).

Almost surely, 2^515832428 is an apocalyptic number.

It is an amenable number.

515832428 is a deficient number, since it is larger than the sum of its proper divisors (439974844).

515832428 is a wasteful number, since it uses less digits than its factorization.

515832428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585792 (or 7585790 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The square root of 515832428 is about 22711.9446107109. The cubic root of 515832428 is about 801.9910965569.

The spelling of 515832428 in words is "five hundred fifteen million, eight hundred thirty-two thousand, four hundred twenty-eight".