581240434 has 8 divisors (see below), whose sum is σ = 875993328. Its totient is φ = 289242660.

The previous prime is 581240389. The next prime is 581240441. The reversal of 581240434 is 434042185.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 581240396 and 581240405.

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, 688252 + ... + 689095.

It is an arithmetic number, because the mean of its divisors is an integer number (109499166).

Almost surely, 2^581240434 is an apocalyptic number.

581240434 is a deficient number, since it is larger than the sum of its proper divisors (294752894).

581240434 is a wasteful number, since it uses less digits than its factorization.

581240434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377560.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 581240434 is about 24108.9285120679. The cubic root of 581240434 is about 834.5491890467.

The spelling of 581240434 in words is "five hundred eighty-one million, two hundred forty thousand, four hundred thirty-four".