2179712 has 16 divisors (see below), whose sum is σ = 4342650. Its totient is φ = 1089792.

The previous prime is 2179693. The next prime is 2179729.

2179712 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 1577536 + 602176 = 1256^2 + 776^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×2179712² = 9502288805888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8387 + ... + 8642.

2^2179712 is an apocalyptic number.

It is an amenable number.

2179712 is a deficient number, since it is larger than the sum of its proper divisors (2162938).

2179712 is an equidigital number, since it uses as much as digits as its factorization.

2179712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17043 (or 17031 counting only the distinct ones).

The product of its digits is 1764, while the sum is 29.

The square root of 2179712 is about 1476.3847736955. The cubic root of 2179712 is about 129.6581154793.

The spelling of 2179712 in words is "two million, one hundred seventy-nine thousand, seven hundred twelve".