599405 has 4 divisors (see below), whose sum is σ = 719292. Its totient is φ = 479520.

The previous prime is 599399. The next prime is 599407. The reversal of 599405 is 504995.

599405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 504995 = 5 ⋅100999.

It can be written as a sum of positive squares in 2 ways, for example, as 386884 + 212521 = 622^2 + 461^2 .

It is not a de Polignac number, because 599405 - 2⁶ = 599341 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 8.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (599407) 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, 59936 + ... + 59945.

It is an arithmetic number, because the mean of its divisors is an integer number (179823).

2⁵⁹⁹⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

599405 is a deficient number, since it is larger than the sum of its proper divisors (119887).

599405 is a wasteful number, since it uses less digits than its factorization.

599405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119886.

The product of its (nonzero) digits is 8100, while the sum is 32.

The square root of 599405 is about 774.2125031282. The cubic root of 599405 is about 84.3153771738.

It can be divided in two parts, 5 and 99405, that multiplied together give a square (497025 = 705²).

The spelling of 599405 in words is "five hundred ninety-nine thousand, four hundred five".