1936993 has 8 divisors (see below), whose sum is σ = 2061920. Its totient is φ = 1814400.

The previous prime is 1936981. The next prime is 1936999. The reversal of 1936993 is 3996391.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1936993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1936999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1318 + ... + 2368.

It is an arithmetic number, because the mean of its divisors is an integer number (257740).

2^1936993 is an apocalyptic number.

It is an amenable number.

1936993 is a deficient number, since it is larger than the sum of its proper divisors (124927).

1936993 is a wasteful number, since it uses less digits than its factorization.

1936993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1167.

The product of its digits is 39366, while the sum is 40.

The square root of 1936993 is about 1391.7589590155. The cubic root of 1936993 is about 124.6548987847.

The spelling of 1936993 in words is "one million, nine hundred thirty-six thousand, nine hundred ninety-three".