801983 has 12 divisors (see below), whose sum is σ = 1005480. Its totient is φ = 634032.

The previous prime is 801973. The next prime is 801989. The reversal of 801983 is 389108.

It is a happy number.

It is not a de Polignac number, because 801983 - 2¹⁰ = 800959 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801989) 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 11 ways as a sum of consecutive naturals, for example, 8 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (83790).

2⁸⁰¹⁹⁸³ is an apocalyptic number.

801983 is a deficient number, since it is larger than the sum of its proper divisors (203497).

801983 is a wasteful number, since it uses less digits than its factorization.

801983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1279 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 801983 is about 895.5350356072. The cubic root of 801983 is about 92.9084156396.

The spelling of 801983 in words is "eight hundred one thousand, nine hundred eighty-three".