936561 has 8 divisors (see below), whose sum is σ = 1266624. Its totient is φ = 615440.

The previous prime is 936557. The next prime is 936577. The reversal of 936561 is 165639.

It is a happy number.

936561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 936561 - 2² = 936557 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (936511) 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, 1986 + ... + 2411.

It is an arithmetic number, because the mean of its divisors is an integer number (158328).

2⁹³⁶⁵⁶¹ is an apocalyptic number.

It is an amenable number.

936561 is a deficient number, since it is larger than the sum of its proper divisors (330063).

936561 is a wasteful number, since it uses less digits than its factorization.

936561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4471.

The product of its digits is 4860, while the sum is 30.

The square root of 936561 is about 967.7608175577. The cubic root of 936561 is about 97.8390040184.

The spelling of 936561 in words is "nine hundred thirty-six thousand, five hundred sixty-one".