864133 has 4 divisors (see below), whose sum is σ = 901728. Its totient is φ = 826540.

The previous prime is 864131. The next prime is 864137. The reversal of 864133 is 331468.

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 a cyclic number.

It is not a de Polignac number, because 864133 - 2¹ = 864131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864098 and 864107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18763 + ... + 18808.

It is an arithmetic number, because the mean of its divisors is an integer number (225432).

2⁸⁶⁴¹³³ is an apocalyptic number.

It is an amenable number.

864133 is a deficient number, since it is larger than the sum of its proper divisors (37595).

864133 is a wasteful number, since it uses less digits than its factorization.

864133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37594.

The product of its digits is 1728, while the sum is 25.

The square root of 864133 is about 929.5875429458. The cubic root of 864133 is about 95.2489500048.

The spelling of 864133 in words is "eight hundred sixty-four thousand, one hundred thirty-three".