1993116 has 36 divisors (see below), whose sum is σ = 4848648. Its totient is φ = 636768.

The previous prime is 1993109. The next prime is 1993127. The reversal of 1993116 is 6113991.

1993116 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1993116² = 7945022778912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29715 + ... + 29781.

2^1993116 is an apocalyptic number.

It is an amenable number.

1993116 is an abundant number, since it is smaller than the sum of its proper divisors (2855532).

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

1993116 is a wasteful number, since it uses less digits than its factorization.

1993116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178 (or 109 counting only the distinct ones).

The product of its digits is 1458, while the sum is 30.

The square root of 1993116 is about 1411.7776028823. Note that the first 3 decimals coincide. The cubic root of 1993116 is about 125.8473838771.

The spelling of 1993116 in words is "one million, nine hundred ninety-three thousand, one hundred sixteen".