893993 has 4 divisors (see below), whose sum is σ = 904848. Its totient is φ = 883140.

The previous prime is 893989. The next prime is 893999. The reversal of 893993 is 399398.

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 893993 - 2² = 893989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 893993.

It is not an unprimeable number, because it can be changed into a prime (893999) 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, 5303 + ... + 5468.

It is an arithmetic number, because the mean of its divisors is an integer number (226212).

2⁸⁹³⁹⁹³ is an apocalyptic number.

893993 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

893993 is a deficient number, since it is larger than the sum of its proper divisors (10855).

893993 is a wasteful number, since it uses less digits than its factorization.

893993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10854.

The product of its digits is 52488, while the sum is 41.

The square root of 893993 is about 945.5120305951. The cubic root of 893993 is about 96.3336552739. Note that the first 3 decimals are identical.

The spelling of 893993 in words is "eight hundred ninety-three thousand, nine hundred ninety-three".