993164838 has 16 divisors (see below), whose sum is σ = 1992334656. Its totient is φ = 330054120.

The previous prime is 993164833. The next prime is 993164839. The reversal of 993164838 is 838461399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (993164833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248056 + ... + 252027.

It is an arithmetic number, because the mean of its divisors is an integer number (124520916).

Almost surely, 2^993164838 is an apocalyptic number.

993164838 is an abundant number, since it is smaller than the sum of its proper divisors (999169818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

993164838 is a wasteful number, since it uses less digits than its factorization.

993164838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500419.

The product of its digits is 1119744, while the sum is 51.

The square root of 993164838 is about 31514.5178925523. The cubic root of 993164838 is about 997.7164018155.

The spelling of 993164838 in words is "nine hundred ninety-three million, one hundred sixty-four thousand, eight hundred thirty-eight".