591449 has 4 divisors (see below), whose sum is σ = 610560. Its totient is φ = 572340.

The previous prime is 591443. The next prime is 591457. The reversal of 591449 is 944195.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 591449 - 2⁸ = 591193 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 591449.

It is not an unprimeable number, because it can be changed into a prime (591443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9509 + ... + 9570.

It is an arithmetic number, because the mean of its divisors is an integer number (152640).

2⁵⁹¹⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

591449 is a deficient number, since it is larger than the sum of its proper divisors (19111).

591449 is a wasteful number, since it uses less digits than its factorization.

591449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19110.

The product of its digits is 6480, while the sum is 32.

The square root of 591449 is about 769.0572150367. The cubic root of 591449 is about 83.9406705013.

It can be divided in two parts, 59 and 1449, that multiplied together give a triangular number (85491 = T₄₁₃).

The spelling of 591449 in words is "five hundred ninety-one thousand, four hundred forty-nine".