1797983 has 8 divisors (see below), whose sum is σ = 1976400. Its totient is φ = 1622080.

The previous prime is 1797967. The next prime is 1798001. The reversal of 1797983 is 3897971.

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 1797983 - 2⁴ = 1797967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1797953) 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, 1091 + ... + 2187.

It is an arithmetic number, because the mean of its divisors is an integer number (247050).

2^1797983 is an apocalyptic number.

1797983 is a deficient number, since it is larger than the sum of its proper divisors (178417).

1797983 is a wasteful number, since it uses less digits than its factorization.

1797983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257.

The product of its digits is 95256, while the sum is 44.

The square root of 1797983 is about 1340.8888842853. Note that the first 5 decimals coincide. The cubic root of 1797983 is about 121.5985866280.

The spelling of 1797983 in words is "one million, seven hundred ninety-seven thousand, nine hundred eighty-three".