536921 has 16 divisors (see below), whose sum is σ = 706560. Its totient is φ = 395280.

The previous prime is 536917. The next prime is 536923. The reversal of 536921 is 129635.

It is a cyclic number.

It is not a de Polignac number, because 536921 - 2² = 536917 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536923) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1280 + ... + 1646.

It is an arithmetic number, because the mean of its divisors is an integer number (44160).

2⁵³⁶⁹²¹ is an apocalyptic number.

It is an amenable number.

536921 is a deficient number, since it is larger than the sum of its proper divisors (169639).

536921 is a wasteful number, since it uses less digits than its factorization.

536921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404.

The product of its digits is 1620, while the sum is 26.

The square root of 536921 is about 732.7489338102. The cubic root of 536921 is about 81.2774613289.

The spelling of 536921 in words is "five hundred thirty-six thousand, nine hundred twenty-one".