1679042 has 8 divisors (see below), whose sum is σ = 2605500. Its totient is φ = 810544.

The previous prime is 1679033. The next prime is 1679057. The reversal of 1679042 is 2409761.

It can be written as a sum of positive squares in 2 ways, for example, as 1466521 + 212521 = 1211^2 + 461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a junction number, because it is equal to n+sod(n) for n = 1678996 and 1679014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14417 + ... + 14532.

2^1679042 is an apocalyptic number.

1679042 is a deficient number, since it is larger than the sum of its proper divisors (926458).

1679042 is a wasteful number, since it uses less digits than its factorization.

1679042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28980.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1679042 is about 1295.7785304596. The cubic root of 1679042 is about 118.8558384206.

The spelling of 1679042 in words is "one million, six hundred seventy-nine thousand, forty-two".