596421 has 12 divisors (see below), whose sum is σ = 984672. Its totient is φ = 340776.

The previous prime is 596419. The next prime is 596423. The reversal of 596421 is 124695.

It is an interprime number because it is at equal distance from previous prime (596419) and next prime (596423).

It is not a de Polignac number, because 596421 - 2¹ = 596419 is a prime.

596421 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (596423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4671 + ... + 4796.

It is an arithmetic number, because the mean of its divisors is an integer number (82056).

2⁵⁹⁶⁴²¹ is an apocalyptic number.

It is an amenable number.

596421 is a deficient number, since it is larger than the sum of its proper divisors (388251).

596421 is a wasteful number, since it uses less digits than its factorization.

596421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9480 (or 9477 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 596421 is about 772.2829792246. The cubic root of 596421 is about 84.1752294439.

The spelling of 596421 in words is "five hundred ninety-six thousand, four hundred twenty-one".