1039979 has 2 divisors, whose sum is σ = 1039980. Its totient is φ = 1039978.

The previous prime is 1039949. The next prime is 1039999. The reversal of 1039979 is 9799301.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1039979 - 2¹⁶ = 974443 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1039949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519989 + 519990.

It is an arithmetic number, because the mean of its divisors is an integer number (519990).

2^1039979 is an apocalyptic number.

1039979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1039979 is an equidigital number, since it uses as much as digits as its factorization.

1039979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15309, while the sum is 38.

The square root of 1039979 is about 1019.7936065695. The cubic root of 1039979 is about 101.3152584432.

The spelling of 1039979 in words is "one million, thirty-nine thousand, nine hundred seventy-nine".