1384979 has 2 divisors, whose sum is σ = 1384980. Its totient is φ = 1384978.

The previous prime is 1384963. The next prime is 1384993. The reversal of 1384979 is 9794831.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1384979 - 2⁴ = 1384963 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1384909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692489 + 692490.

It is an arithmetic number, because the mean of its divisors is an integer number (692490).

2^1384979 is an apocalyptic number.

1384979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1384979 is an equidigital number, since it uses as much as digits as its factorization.

1384979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 1384979 is about 1176.8513075151. The cubic root of 1384979 is about 111.4673636107.

The spelling of 1384979 in words is "one million, three hundred eighty-four thousand, nine hundred seventy-nine".