1679673386 has 8 divisors (see below), whose sum is σ = 2587605060. Its totient is φ = 817138368.

The previous prime is 1679673337. The next prime is 1679673409. The reversal of 1679673386 is 6833769761.

It can be written as a sum of positive squares in 2 ways, for example, as 1641789361 + 37884025 = 40519^2 + 6155^2 .

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

It is an unprimeable number.

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, 11349071 + ... + 11349218.

Almost surely, 2^1679673386 is an apocalyptic number.

1679673386 is a deficient number, since it is larger than the sum of its proper divisors (907931674).

1679673386 is a wasteful number, since it uses less digits than its factorization.

1679673386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22698328.

The product of its digits is 6858432, while the sum is 56.

The square root of 1679673386 is about 40983.8185873401. The cubic root of 1679673386 is about 1188.7073471420.

The spelling of 1679673386 in words is "one billion, six hundred seventy-nine million, six hundred seventy-three thousand, three hundred eighty-six".