581464434 has 16 divisors (see below), whose sum is σ = 1168009920. Its totient is φ = 192974640.

The previous prime is 581464423. The next prime is 581464469. The reversal of 581464434 is 434464185.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 581464392 and 581464401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210222 + ... + 212969.

It is an arithmetic number, because the mean of its divisors is an integer number (73000620).

Almost surely, 2^581464434 is an apocalyptic number.

581464434 is an abundant number, since it is smaller than the sum of its proper divisors (586545486).

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

581464434 is a wasteful number, since it uses less digits than its factorization.

581464434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423425.

The product of its digits is 184320, while the sum is 39.

The square root of 581464434 is about 24113.5736463926. The cubic root of 581464434 is about 834.6563822139.

The spelling of 581464434 in words is "five hundred eighty-one million, four hundred sixty-four thousand, four hundred thirty-four".