893391 has 4 divisors (see below), whose sum is σ = 1191192. Its totient is φ = 595592.

The previous prime is 893383. The next prime is 893407. The reversal of 893391 is 193398.

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 893391 - 2³ = 893383 is a prime.

It is a D-number.

893391 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (893341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148896 + ... + 148901.

It is an arithmetic number, because the mean of its divisors is an integer number (297798).

2⁸⁹³³⁹¹ is an apocalyptic number.

893391 is a deficient number, since it is larger than the sum of its proper divisors (297801).

893391 is a wasteful number, since it uses less digits than its factorization.

893391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297800.

The product of its digits is 5832, while the sum is 33.

The square root of 893391 is about 945.1936309561. The cubic root of 893391 is about 96.3120272587.

The spelling of 893391 in words is "eight hundred ninety-three thousand, three hundred ninety-one".