1679928 has 16 divisors (see below), whose sum is σ = 4199880. Its totient is φ = 559968.

The previous prime is 1679917. The next prime is 1679939. The reversal of 1679928 is 8299761.

It is an interprime number because it is at equal distance from previous prime (1679917) and next prime (1679939).

It is a self number, because there is not a number n which added to its sum of digits gives 1679928.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34975 + ... + 35022.

2^1679928 is an apocalyptic number.

It is an amenable number.

1679928 is an abundant number, since it is smaller than the sum of its proper divisors (2519952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1679928 is a wasteful number, since it uses less digits than its factorization.

1679928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70006 (or 70002 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 1679928 is about 1296.1203647810. The cubic root of 1679928 is about 118.8767407676.

The spelling of 1679928 in words is "one million, six hundred seventy-nine thousand, nine hundred twenty-eight".