1979768 has 16 divisors (see below), whose sum is σ = 4242480. Its totient is φ = 848448.

The previous prime is 1979749. The next prime is 1979773. The reversal of 1979768 is 8679791.

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, 17621 + ... + 17732.

It is an arithmetic number, because the mean of its divisors is an integer number (265155).

2^1979768 is an apocalyptic number.

It is an amenable number.

1979768 is an abundant number, since it is smaller than the sum of its proper divisors (2262712).

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

1979768 is a wasteful number, since it uses less digits than its factorization.

1979768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35366 (or 35362 counting only the distinct ones).

The product of its digits is 190512, while the sum is 47.

The square root of 1979768 is about 1407.0422879217. The cubic root of 1979768 is about 125.5658189271.

The spelling of 1979768 in words is "one million, nine hundred seventy-nine thousand, seven hundred sixty-eight".