679403 has 2 divisors, whose sum is σ = 679404. Its totient is φ = 679402.

The previous prime is 679381. The next prime is 679409. The reversal of 679403 is 304976.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679403 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (679409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339701 + 339702.

It is an arithmetic number, because the mean of its divisors is an integer number (339702).

2⁶⁷⁹⁴⁰³ is an apocalyptic number.

679403 is a deficient number, since it is larger than the sum of its proper divisors (1).

679403 is an equidigital number, since it uses as much as digits as its factorization.

679403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 679403 is about 824.2590612180. The cubic root of 679403 is about 87.9108515230.

The spelling of 679403 in words is "six hundred seventy-nine thousand, four hundred three".