2079172 has 6 divisors (see below), whose sum is σ = 3638558. Its totient is φ = 1039584.

The previous prime is 2079169. The next prime is 2079173. The reversal of 2079172 is 2719702.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 968256 = 1054^2 + 984^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2079172.

It is not an unprimeable number, because it can be changed into a prime (2079173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259893 + ... + 259900.

2^2079172 is an apocalyptic number.

It is an amenable number.

2079172 is a deficient number, since it is larger than the sum of its proper divisors (1559386).

2079172 is a wasteful number, since it uses less digits than its factorization.

2079172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519797 (or 519795 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 2079172 is about 1441.9334242606. The cubic root of 2079172 is about 127.6331455446.

The spelling of 2079172 in words is "two million, seventy-nine thousand, one hundred seventy-two".