536645 has 8 divisors (see below), whose sum is σ = 666360. Its totient is φ = 414400.

The previous prime is 536633. The next prime is 536651. The reversal of 536645 is 546635.

536645 = T₁₀₆ + T₁₀₇ + ... + T₁₆₃.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 494209 = 206^2 + 703^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-536645 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a d-powerful number, because it can be written as 5³ + 3¹¹ + 6⁴ + 6⁷ + 4² + 5⁷ .

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 536645.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1706 + ... + 1995.

It is an arithmetic number, because the mean of its divisors is an integer number (83295).

2⁵³⁶⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

536645 is a deficient number, since it is larger than the sum of its proper divisors (129715).

536645 is a wasteful number, since it uses less digits than its factorization.

536645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3735.

The product of its digits is 10800, while the sum is 29.

The square root of 536645 is about 732.5605776999. The cubic root of 536645 is about 81.2635322628.

The spelling of 536645 in words is "five hundred thirty-six thousand, six hundred forty-five".