1384679 has 2 divisors, whose sum is σ = 1384680. Its totient is φ = 1384678.

The previous prime is 1384673. The next prime is 1384697. The reversal of 1384679 is 9764831.

Together with next prime (1384697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1384679 - 2²⁰ = 336103 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1384673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692339 + 692340.

It is an arithmetic number, because the mean of its divisors is an integer number (692340).

2^1384679 is an apocalyptic number.

1384679 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384679 is an equidigital number, since it uses as much as digits as its factorization.

1384679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 1384679 is about 1176.7238418593. The cubic root of 1384679 is about 111.4593147224.

The spelling of 1384679 in words is "one million, three hundred eighty-four thousand, six hundred seventy-nine".