605399 has 8 divisors (see below), whose sum is σ = 637440. Its totient is φ = 574200.

The previous prime is 605393. The next prime is 605401. The reversal of 605399 is 993506.

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 605399 - 2¹⁶ = 539863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (605393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1664 + ... + 1994.

It is an arithmetic number, because the mean of its divisors is an integer number (79680).

2⁶⁰⁵³⁹⁹ is an apocalyptic number.

605399 is a deficient number, since it is larger than the sum of its proper divisors (32041).

605399 is a wasteful number, since it uses less digits than its factorization.

605399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 605399 is about 778.0739039449. The cubic root of 605399 is about 84.5954944348.

The spelling of 605399 in words is "six hundred five thousand, three hundred ninety-nine".