801633 has 16 divisors (see below), whose sum is σ = 1244160. Its totient is φ = 449616.

The previous prime is 801631. The next prime is 801641. The reversal of 801633 is 336108.

801633 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 801633 - 2¹ = 801631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

801633 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (801631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916 + ... + 1562.

It is an arithmetic number, because the mean of its divisors is an integer number (77760).

2⁸⁰¹⁶³³ is an apocalyptic number.

It is an amenable number.

801633 is a deficient number, since it is larger than the sum of its proper divisors (442527).

801633 is a wasteful number, since it uses less digits than its factorization.

801633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 801633 is about 895.3396003752. The cubic root of 801633 is about 92.8948980309.

The spelling of 801633 in words is "eight hundred one thousand, six hundred thirty-three".