2179005 has 8 divisors (see below), whose sum is σ = 3486432. Its totient is φ = 1162128.

The previous prime is 2178991. The next prime is 2179007. The reversal of 2179005 is 5009712.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2179005 - 2⁷ = 2178877 is a prime.

2179005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2179007) 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, 72619 + ... + 72648.

It is an arithmetic number, because the mean of its divisors is an integer number (435804).

2^2179005 is an apocalyptic number.

It is an amenable number.

2179005 is a deficient number, since it is larger than the sum of its proper divisors (1307427).

2179005 is a wasteful number, since it uses less digits than its factorization.

2179005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145275.

The product of its (nonzero) digits is 630, while the sum is 24.

The square root of 2179005 is about 1476.1453180497. The cubic root of 2179005 is about 129.6440955537.

The spelling of 2179005 in words is "two million, one hundred seventy-nine thousand, five".