598405 has 8 divisors (see below), whose sum is σ = 756000. Its totient is φ = 453456.

The previous prime is 598399. The next prime is 598421. The reversal of 598405 is 504895.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 598405 - 2¹⁵ = 565637 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3055 + ... + 3244.

It is an arithmetic number, because the mean of its divisors is an integer number (94500).

2⁵⁹⁸⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

598405 is a deficient number, since it is larger than the sum of its proper divisors (157595).

598405 is a wasteful number, since it uses less digits than its factorization.

598405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6323.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 598405 is about 773.5664160239. The cubic root of 598405 is about 84.2684627008.

It can be divided in two parts, 59 and 8405, that added together give a square (8464 = 92²).

The spelling of 598405 in words is "five hundred ninety-eight thousand, four hundred five".