1993363 has 2 divisors, whose sum is σ = 1993364. Its totient is φ = 1993362.

The previous prime is 1993357. The next prime is 1993367. The reversal of 1993363 is 3633991.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (3633991) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1993363 is a prime.

It is not a weakly prime, because it can be changed into another prime (1993367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996681 + 996682.

It is an arithmetic number, because the mean of its divisors is an integer number (996682).

2^1993363 is an apocalyptic number.

1993363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993363 is an equidigital number, since it uses as much as digits as its factorization.

1993363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13122, while the sum is 34.

The square root of 1993363 is about 1411.8650785397. The cubic root of 1993363 is about 125.8525822733.

The spelling of 1993363 in words is "one million, nine hundred ninety-three thousand, three hundred sixty-three".