1993308 has 24 divisors (see below), whose sum is σ = 4760448. Its totient is φ = 648816.

The previous prime is 1993307. The next prime is 1993319. The reversal of 1993308 is 8033991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1993307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1416 + ... + 2447.

It is an arithmetic number, because the mean of its divisors is an integer number (198352).

2^1993308 is an apocalyptic number.

It is an amenable number.

1993308 is an abundant number, since it is smaller than the sum of its proper divisors (2767140).

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

1993308 is a wasteful number, since it uses less digits than its factorization.

1993308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3913 (or 3911 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1993308 is about 1411.8456006235. The cubic root of 1993308 is about 125.8514247729.

The spelling of 1993308 in words is "one million, nine hundred ninety-three thousand, three hundred eight".