893239 has 4 divisors (see below), whose sum is σ = 914056. Its totient is φ = 872424.

The previous prime is 893237. The next prime is 893257. The reversal of 893239 is 932398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 893239 - 2¹ = 893237 is a prime.

It is a super-2 number, since 2×893239² = 1595751822242, which contains 22 as substring.

It is a Duffinian number.

893239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893237) 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, 10344 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (228514).

2⁸⁹³²³⁹ is an apocalyptic number.

893239 is a deficient number, since it is larger than the sum of its proper divisors (20817).

893239 is a wasteful number, since it uses less digits than its factorization.

893239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816.

The product of its digits is 11664, while the sum is 34.

The square root of 893239 is about 945.1132207307. The cubic root of 893239 is about 96.3065648283.

The spelling of 893239 in words is "eight hundred ninety-three thousand, two hundred thirty-nine".