993133 has 4 divisors (see below), whose sum is σ = 1003068. Its totient is φ = 983200.

The previous prime is 993121. The next prime is 993137. The reversal of 993133 is 331399.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 779689 + 213444 = 883^2 + 462^2 .

It is a cyclic number.

It is not a de Polignac number, because 993133 - 2¹⁷ = 862061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4816 + ... + 5017.

It is an arithmetic number, because the mean of its divisors is an integer number (250767).

2⁹⁹³¹³³ is an apocalyptic number.

It is an amenable number.

993133 is a deficient number, since it is larger than the sum of its proper divisors (9935).

993133 is a wasteful number, since it uses less digits than its factorization.

993133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9934.

The product of its digits is 2187, while the sum is 28.

The square root of 993133 is about 996.5605852130. The cubic root of 993133 is about 99.7705740398.

It can be divided in two parts, 9931 and 33, that multiplied together give a palindrome (327723).

The spelling of 993133 in words is "nine hundred ninety-three thousand, one hundred thirty-three".