993418 has 8 divisors (see below), whose sum is σ = 1507140. Its totient is φ = 491040.

The previous prime is 993407. The next prime is 993431. The reversal of 993418 is 814399.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 66049 = 963^2 + 257^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

993418 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2613 + ... + 2968.

2⁹⁹³⁴¹⁸ is an apocalyptic number.

993418 is a deficient number, since it is larger than the sum of its proper divisors (513722).

993418 is a wasteful number, since it uses less digits than its factorization.

993418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672.

The product of its digits is 7776, while the sum is 34.

The square root of 993418 is about 996.7035667640. The cubic root of 993418 is about 99.7801168685.

The spelling of 993418 in words is "nine hundred ninety-three thousand, four hundred eighteen".