1993317 has 16 divisors (see below), whose sum is σ = 2767872. Its totient is φ = 1275120.

The previous prime is 1993307. The next prime is 1993319. The reversal of 1993317 is 7133991.

It is not a de Polignac number, because 1993317 - 2¹⁵ = 1960549 is a prime.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 9342 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (172992).

2^1993317 is an apocalyptic number.

It is an amenable number.

1993317 is a deficient number, since it is larger than the sum of its proper divisors (774555).

1993317 is a wasteful number, since it uses less digits than its factorization.

1993317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328.

The product of its digits is 5103, while the sum is 33.

The square root of 1993317 is about 1411.8487879373. The cubic root of 1993317 is about 125.8516141835.

The spelling of 1993317 in words is "one million, nine hundred ninety-three thousand, three hundred seventeen".