1993380 has 24 divisors (see below), whose sum is σ = 5581632. Its totient is φ = 531552.

The previous prime is 1993367. The next prime is 1993417. The reversal of 1993380 is 833991.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16552 + ... + 16671.

It is an arithmetic number, because the mean of its divisors is an integer number (232568).

2^1993380 is an apocalyptic number.

1993380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1993380 is an abundant number, since it is smaller than the sum of its proper divisors (3588252).

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

1993380 is a wasteful number, since it uses less digits than its factorization.

1993380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33235 (or 33233 counting only the distinct ones).

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

The square root of 1993380 is about 1411.8710989322. The cubic root of 1993380 is about 125.8529400419.

The spelling of 1993380 in words is "one million, nine hundred ninety-three thousand, three hundred eighty".