993144 has 16 divisors (see below), whose sum is σ = 2482920. Its totient is φ = 331040.

The previous prime is 993137. The next prime is 993169. The reversal of 993144 is 441399.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20667 + ... + 20714.

2⁹⁹³¹⁴⁴ is an apocalyptic number.

It is an amenable number.

993144 is an abundant number, since it is smaller than the sum of its proper divisors (1489776).

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

993144 is a wasteful number, since it uses less digits than its factorization.

993144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41390 (or 41386 counting only the distinct ones).

The product of its digits is 3888, while the sum is 30.

The square root of 993144 is about 996.5661041797. The cubic root of 993144 is about 99.7709423934.

The spelling of 993144 in words is "nine hundred ninety-three thousand, one hundred forty-four".