581948 has 6 divisors (see below), whose sum is σ = 1018416. Its totient is φ = 290972.

The previous prime is 581947. The next prime is 581953. The reversal of 581948 is 849185.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 581948.

It is not an unprimeable number, because it can be changed into a prime (581941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72740 + ... + 72747.

It is an arithmetic number, because the mean of its divisors is an integer number (169736).

2⁵⁸¹⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

581948 is a deficient number, since it is larger than the sum of its proper divisors (436468).

581948 is a wasteful number, since it uses less digits than its factorization.

581948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145491 (or 145489 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 581948 is about 762.8551631863. The cubic root of 581948 is about 83.4887694507.

The spelling of 581948 in words is "five hundred eighty-one thousand, nine hundred forty-eight".