1997193 has 8 divisors (see below), whose sum is σ = 2905056. Its totient is φ = 1210400.

The previous prime is 1997189. The next prime is 1997213. The reversal of 1997193 is 3917991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1997193 - 2² = 1997189 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1997173) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30228 + ... + 30293.

It is an arithmetic number, because the mean of its divisors is an integer number (363132).

2^1997193 is an apocalyptic number.

It is an amenable number.

1997193 is a deficient number, since it is larger than the sum of its proper divisors (907863).

1997193 is a wasteful number, since it uses less digits than its factorization.

1997193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60535.

The product of its digits is 15309, while the sum is 39.

The square root of 1997193 is about 1413.2207895442. The cubic root of 1997193 is about 125.9331340859.

The spelling of 1997193 in words is "one million, nine hundred ninety-seven thousand, one hundred ninety-three".