1704979 has 2 divisors, whose sum is σ = 1704980. Its totient is φ = 1704978.

The previous prime is 1704971. The next prime is 1704991. The reversal of 1704979 is 9794071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1704979 - 2³ = 1704971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1704971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852489 + 852490.

It is an arithmetic number, because the mean of its divisors is an integer number (852490).

2^1704979 is an apocalyptic number.

1704979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1704979 is an equidigital number, since it uses as much as digits as its factorization.

1704979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 1704979 is about 1305.7484443797. The cubic root of 1704979 is about 119.4647223470.

The spelling of 1704979 in words is "one million, seven hundred four thousand, nine hundred seventy-nine".