1993329 has 24 divisors (see below), whose sum is σ = 3220672. Its totient is φ = 1224720.

The previous prime is 1993319. The next prime is 1993339. The reversal of 1993329 is 9233991.

It is an interprime number because it is at equal distance from previous prime (1993319) and next prime (1993339).

It is not a de Polignac number, because 1993329 - 2⁹ = 1992817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1993293 and 1993302.

It is not an unprimeable number, because it can be changed into a prime (1993319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2844 + ... + 3474.

2^1993329 is an apocalyptic number.

It is an amenable number.

1993329 is a deficient number, since it is larger than the sum of its proper divisors (1227343).

1993329 is an equidigital number, since it uses as much as digits as its factorization.

1993329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659 (or 647 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The square root of 1993329 is about 1411.8530376778. The cubic root of 1993329 is about 125.8518667301.

The spelling of 1993329 in words is "one million, nine hundred ninety-three thousand, three hundred twenty-nine".