2105479 has 4 divisors (see below), whose sum is σ = 2111584. Its totient is φ = 2099376.

The previous prime is 2105449. The next prime is 2105483. The reversal of 2105479 is 9745012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2105479 - 2¹³ = 2097287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105419) 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, 2502 + ... + 3235.

It is an arithmetic number, because the mean of its divisors is an integer number (527896).

2^2105479 is an apocalyptic number.

2105479 is a deficient number, since it is larger than the sum of its proper divisors (6105).

2105479 is an equidigital number, since it uses as much as digits as its factorization.

2105479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6104.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 2105479 is about 1451.0268777662. The cubic root of 2105479 is about 128.1691895166.

The spelling of 2105479 in words is "two million, one hundred five thousand, four hundred seventy-nine".