1790879 has 2 divisors, whose sum is σ = 1790880. Its totient is φ = 1790878.

The previous prime is 1790869. The next prime is 1790897. The reversal of 1790879 is 9780971.

Together with next prime (1790897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (9780971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1790879 - 2⁴ = 1790863 is a prime.

It is a Chen 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 (1790809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 895439 + 895440.

It is an arithmetic number, because the mean of its divisors is an integer number (895440).

2^1790879 is an apocalyptic number.

1790879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1790879 is an equidigital number, since it uses as much as digits as its factorization.

1790879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 1790879 is about 1338.2372734310. The cubic root of 1790879 is about 121.4382260901.

The spelling of 1790879 in words is "one million, seven hundred ninety thousand, eight hundred seventy-nine".