2106801 has 6 divisors (see below), whose sum is σ = 3043170. Its totient is φ = 1404528.

The previous prime is 2106781. The next prime is 2106809. The reversal of 2106801 is 1086012.

It can be written as a sum of positive squares in only one way, i.e., 2030625 + 76176 = 1425^2 + 276^2 .

It is not a de Polignac number, because 2106801 - 2⁶ = 2106737 is a prime.

It is a super-2 number, since 2×2106801² = 8877220907202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2106809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117036 + ... + 117053.

It is an arithmetic number, because the mean of its divisors is an integer number (507195).

2^2106801 is an apocalyptic number.

It is an amenable number.

2106801 is a deficient number, since it is larger than the sum of its proper divisors (936369).

2106801 is a wasteful number, since it uses less digits than its factorization.

2106801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234095 (or 234092 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2106801 is about 1451.4823457418. The cubic root of 2106801 is about 128.1960091015.

It can be divided in two parts, 210680 and 1, that added together give a square (210681 = 459²).

The spelling of 2106801 in words is "two million, one hundred six thousand, eight hundred one".