801897 has 4 divisors (see below), whose sum is σ = 1069200. Its totient is φ = 534596.

The previous prime is 801883. The next prime is 801947. The reversal of 801897 is 798108.

801897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 801897 - 2⁶ = 801833 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (801817) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133647 + ... + 133652.

It is an arithmetic number, because the mean of its divisors is an integer number (267300).

2⁸⁰¹⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

801897 is a deficient number, since it is larger than the sum of its proper divisors (267303).

801897 is a wasteful number, since it uses less digits than its factorization.

801897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267302.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 801897 is about 895.4870183314. The cubic root of 801897 is about 92.9050945346.

The spelling of 801897 in words is "eight hundred one thousand, eight hundred ninety-seven".