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897801 = 31392153
BaseRepresentation
bin11011011001100001001
31200121112220
43123030021
5212212201
631124253
710426332
oct3331411
91617486
10897801
11563593
12373689
13255858
14195289
1512b036
hexdb309

897801 has 8 divisors (see below), whose sum is σ = 1206240. Its totient is φ = 593952.

The previous prime is 897781. The next prime is 897817. The reversal of 897801 is 108798.

897801 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 897801 - 214 = 881417 is a prime.

It is a Curzon number.

897801 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (897881) 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, 660 + ... + 1493.

It is an arithmetic number, because the mean of its divisors is an integer number (150780).

2897801 is an apocalyptic number.

It is an amenable number.

897801 is a deficient number, since it is larger than the sum of its proper divisors (308439).

897801 is a wasteful number, since it uses less digits than its factorization.

897801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2295.

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

The square root of 897801 is about 947.5236144815. The cubic root of 897801 is about 96.4702405841.

The spelling of 897801 in words is "eight hundred ninety-seven thousand, eight hundred one".

Divisors: 1 3 139 417 2153 6459 299267 897801