581434 has 24 divisors (see below), whose sum is σ = 1077300. Its totient is φ = 233856.

The previous prime is 581429. The next prime is 581443. The reversal of 581434 is 434185.

It can be written as a sum of positive squares in 2 ways, for example, as 540225 + 41209 = 735^2 + 203^2 .

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 581399 and 581408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1492 + ... + 1840.

2⁵⁸¹⁴³⁴ is an apocalyptic number.

581434 is a deficient number, since it is larger than the sum of its proper divisors (495866).

581434 is a wasteful number, since it uses less digits than its factorization.

581434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382 (or 375 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 581434 is about 762.5181965042. The cubic root of 581434 is about 83.4641819916.

The spelling of 581434 in words is "five hundred eighty-one thousand, four hundred thirty-four".