536709 has 4 divisors (see below), whose sum is σ = 715616. Its totient is φ = 357804.

The previous prime is 536699. The next prime is 536717. The reversal of 536709 is 907635.

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 not a de Polignac number, because 536709 - 2⁵ = 536677 is a prime.

It is a D-number.

It is a Duffinian number.

536709 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536719) 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, 89449 + ... + 89454.

It is an arithmetic number, because the mean of its divisors is an integer number (178904).

2⁵³⁶⁷⁰⁹ is an apocalyptic number.

It is an amenable number.

536709 is a deficient number, since it is larger than the sum of its proper divisors (178907).

536709 is a wasteful number, since it uses less digits than its factorization.

536709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178906.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 536709 is about 732.6042587919. The cubic root of 536709 is about 81.2667626164.

The spelling of 536709 in words is "five hundred thirty-six thousand, seven hundred nine".