1993017 has 12 divisors (see below), whose sum is σ = 2878224. Its totient is φ = 1226160.

The previous prime is 1992983. The next prime is 1993031. The reversal of 1993017 is 7103991.

It is not a de Polignac number, because 1993017 - 2⁶ = 1992953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1993037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1459 + ... + 2472.

It is an arithmetic number, because the mean of its divisors is an integer number (239852).

2^1993017 is an apocalyptic number.

It is an amenable number.

1993017 is a deficient number, since it is larger than the sum of its proper divisors (885207).

1993017 is a wasteful number, since it uses less digits than its factorization.

1993017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3960 (or 3947 counting only the distinct ones).

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 1993017 is about 1411.7425402672. The cubic root of 1993017 is about 125.8453001888.

The spelling of 1993017 in words is "one million, nine hundred ninety-three thousand, seventeen".