801993 has 8 divisors (see below), whose sum is σ = 1094368. Its totient is φ = 522144.

The previous prime is 801989. The next prime is 802007. The reversal of 801993 is 399108.

It is a happy number.

801993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 801993 - 2² = 801989 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 801993.

It is not an unprimeable number, because it can be changed into a prime (801973) 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, 2980 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (136796).

2⁸⁰¹⁹⁹³ is an apocalyptic number.

It is an amenable number.

801993 is a deficient number, since it is larger than the sum of its proper divisors (292375).

801993 is a wasteful number, since it uses less digits than its factorization.

801993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6263.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 801993 is about 895.5406188443. The cubic root of 801993 is about 92.9088017992.

The spelling of 801993 in words is "eight hundred one thousand, nine hundred ninety-three".