1679003 has 4 divisors (see below), whose sum is σ = 1695408. Its totient is φ = 1662600.

The previous prime is 1678993. The next prime is 1679009. The reversal of 1679003 is 3009761.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3009761 = 71 ⋅42391.

It is a cyclic number.

It is not a de Polignac number, because 1679003 - 2¹⁸ = 1416859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1679009) 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 in 3 ways as a sum of consecutive naturals, for example, 8048 + ... + 8253.

It is an arithmetic number, because the mean of its divisors is an integer number (423852).

2^1679003 is an apocalyptic number.

1679003 is a deficient number, since it is larger than the sum of its proper divisors (16405).

1679003 is a wasteful number, since it uses less digits than its factorization.

1679003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16404.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 1679003 is about 1295.7634815042. The cubic root of 1679003 is about 118.8549181709.

The spelling of 1679003 in words is "one million, six hundred seventy-nine thousand, three".