2047879 has 2 divisors, whose sum is σ = 2047880. Its totient is φ = 2047878.

The previous prime is 2047841. The next prime is 2047883. The reversal of 2047879 is 9787402.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2047879 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2047819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1023939 + 1023940.

It is an arithmetic number, because the mean of its divisors is an integer number (1023940).

2^2047879 is an apocalyptic number.

2047879 is a deficient number, since it is larger than the sum of its proper divisors (1).

2047879 is an equidigital number, since it uses as much as digits as its factorization.

2047879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 37.

The square root of 2047879 is about 1431.0412293152. The cubic root of 2047879 is about 126.9895831248.

It can be divided in two parts, 2047 and 879, that added together give a triangular number (2926 = T₇₆).

The spelling of 2047879 in words is "two million, forty-seven thousand, eight hundred seventy-nine".