2106269 has 16 divisors (see below), whose sum is σ = 2422464. Its totient is φ = 1814400.

The previous prime is 2106257. The next prime is 2106277. The reversal of 2106269 is 9626012.

It is a cyclic number.

It is not a de Polignac number, because 2106269 - 2¹² = 2102173 is a prime.

It is a super-2 number, since 2×2106269² = 8872738200722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2106229) 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, 28817 + ... + 28889.

It is an arithmetic number, because the mean of its divisors is an integer number (151404).

2^2106269 is an apocalyptic number.

It is an amenable number.

2106269 is a deficient number, since it is larger than the sum of its proper divisors (316195).

2106269 is a wasteful number, since it uses less digits than its factorization.

2106269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2106269 is about 1451.2990732444. The cubic root of 2106269 is about 128.1852176981.

The spelling of 2106269 in words is "two million, one hundred six thousand, two hundred sixty-nine".