2106969 has 4 divisors (see below), whose sum is σ = 2809296. Its totient is φ = 1404644.

The previous prime is 2106959. The next prime is 2106983. The reversal of 2106969 is 9696012.

It is a happy number.

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 2106969 - 2⁴ = 2106953 is a prime.

It is a super-2 number, since 2×2106969² = 8878636733922, which contains 22 as substring.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2106919) 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, 351159 + ... + 351164.

It is an arithmetic number, because the mean of its divisors is an integer number (702324).

2^2106969 is an apocalyptic number.

It is an amenable number.

2106969 is a deficient number, since it is larger than the sum of its proper divisors (702327).

2106969 is an equidigital number, since it uses as much as digits as its factorization.

2106969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702326.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 2106969 is about 1451.5402164597. The cubic root of 2106969 is about 128.1994165356.

The spelling of 2106969 in words is "two million, one hundred six thousand, nine hundred sixty-nine".