2077189 has 2 divisors, whose sum is σ = 2077190. Its totient is φ = 2077188.

The previous prime is 2077181. The next prime is 2077249. The reversal of 2077189 is 9817702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 613089 = 1210^2 + 783^2 .

It is a cyclic number.

It is not a de Polignac number, because 2077189 - 2³ = 2077181 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2077181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1038594 + 1038595.

It is an arithmetic number, because the mean of its divisors is an integer number (1038595).

2^2077189 is an apocalyptic number.

It is an amenable number.

2077189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2077189 is an equidigital number, since it uses as much as digits as its factorization.

2077189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 2077189 is about 1441.2456417974. The cubic root of 2077189 is about 127.5925561444.

It can be divided in two parts, 207 and 7189, that added together give a square (7396 = 86²).

The spelling of 2077189 in words is "two million, seventy-seven thousand, one hundred eighty-nine".