594981 has 6 divisors (see below), whose sum is σ = 859430. Its totient is φ = 396648.

The previous prime is 594977. The next prime is 594989. The reversal of 594981 is 189495.

It can be written as a sum of positive squares in only one way, i.e., 540225 + 54756 = 735^2 + 234^2 .

It is not a de Polignac number, because 594981 - 2² = 594977 is a prime.

It is a super-2 number, since 2×594981² = 708004780722, which contains 22 as substring.

It is a Duffinian number.

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 594981.

It is not an unprimeable number, because it can be changed into a prime (594989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33046 + ... + 33063.

2⁵⁹⁴⁹⁸¹ is an apocalyptic number.

It is an amenable number.

594981 is a deficient number, since it is larger than the sum of its proper divisors (264449).

594981 is a wasteful number, since it uses less digits than its factorization.

594981 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66115 (or 66112 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 594981 is about 771.3501150580. The cubic root of 594981 is about 84.1074305719.

The spelling of 594981 in words is "five hundred ninety-four thousand, nine hundred eighty-one".