993473 has 4 divisors (see below), whose sum is σ = 1069908. Its totient is φ = 917040.

The previous prime is 993467. The next prime is 993479. The reversal of 993473 is 374399.

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

It is an interprime number because it is at equal distance from previous prime (993467) and next prime (993479).

It can be written as a sum of positive squares in 2 ways, for example, as 85264 + 908209 = 292^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 993473 - 2⁸ = 993217 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (993479) 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, 38198 + ... + 38223.

It is an arithmetic number, because the mean of its divisors is an integer number (267477).

2⁹⁹³⁴⁷³ is an apocalyptic number.

It is an amenable number.

993473 is a deficient number, since it is larger than the sum of its proper divisors (76435).

993473 is a wasteful number, since it uses less digits than its factorization.

993473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76434.

The product of its digits is 20412, while the sum is 35.

The square root of 993473 is about 996.7311573338. The cubic root of 993473 is about 99.7819582569.

The spelling of 993473 in words is "nine hundred ninety-three thousand, four hundred seventy-three".