505830534 has 32 divisors (see below), whose sum is σ = 1139235840. Its totient is φ = 148336800.

The previous prime is 505830509. The next prime is 505830539. The reversal of 505830534 is 435038505.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 505830495 and 505830504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505830539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121569 + ... + 125660.

It is an arithmetic number, because the mean of its divisors is an integer number (35601120).

Almost surely, 2^505830534 is an apocalyptic number.

505830534 is an abundant number, since it is smaller than the sum of its proper divisors (633405306).

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

505830534 is a wasteful number, since it uses less digits than its factorization.

505830534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247276.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 505830534 is about 22490.6766016498. The cubic root of 505830534 is about 796.7737430310.

The spelling of 505830534 in words is "five hundred five million, eight hundred thirty thousand, five hundred thirty-four".