1993339 has 2 divisors, whose sum is σ = 1993340. Its totient is φ = 1993338.

The previous prime is 1993319. The next prime is 1993349. The reversal of 1993339 is 9333991.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1993339 - 2⁵ = 1993307 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1993298 and 1993307.

It is not a weakly prime, because it can be changed into another prime (1993319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 996669 + 996670.

It is an arithmetic number, because the mean of its divisors is an integer number (996670).

2^1993339 is an apocalyptic number.

1993339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1993339 is an equidigital number, since it uses as much as digits as its factorization.

1993339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19683, while the sum is 37.

The square root of 1993339 is about 1411.8565791184. The cubic root of 1993339 is about 125.8520771848.

It can be divided in two parts, 1993 and 339, that added together give a palindrome (2332).

The spelling of 1993339 in words is "one million, nine hundred ninety-three thousand, three hundred thirty-nine".