2047172 has 6 divisors (see below), whose sum is σ = 3582558. Its totient is φ = 1023584.

The previous prime is 2047163. The next prime is 2047181. The reversal of 2047172 is 2717402.

It is an interprime number because it is at equal distance from previous prime (2047163) and next prime (2047181).

It can be written as a sum of positive squares in only one way, i.e., 1478656 + 568516 = 1216^2 + 754^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255893 + ... + 255900.

It is an arithmetic number, because the mean of its divisors is an integer number (597093).

2^2047172 is an apocalyptic number.

It is an amenable number.

2047172 is a deficient number, since it is larger than the sum of its proper divisors (1535386).

2047172 is a wasteful number, since it uses less digits than its factorization.

2047172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511797 (or 511795 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 2047172 is about 1430.7941850595. The cubic root of 2047172 is about 126.9749676829.

The spelling of 2047172 in words is "two million, forty-seven thousand, one hundred seventy-two".