1992893 has 8 divisors (see below), whose sum is σ = 2411712. Its totient is φ = 1607616.

The previous prime is 1992889. The next prime is 1992911. The reversal of 1992893 is 3982991.

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 1992893 - 2² = 1992889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1992893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8255 + ... + 8492.

It is an arithmetic number, because the mean of its divisors is an integer number (301464).

2^1992893 is an apocalyptic number.

It is an amenable number.

1992893 is a deficient number, since it is larger than the sum of its proper divisors (418819).

1992893 is a wasteful number, since it uses less digits than its factorization.

1992893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16771.

The product of its digits is 34992, while the sum is 41.

The square root of 1992893 is about 1411.6986222278. The cubic root of 1992893 is about 125.8426902193.

The spelling of 1992893 in words is "one million, nine hundred ninety-two thousand, eight hundred ninety-three".