1679912 has 32 divisors (see below), whose sum is σ = 3515400. Its totient is φ = 747264.

The previous prime is 1679903. The next prime is 1679917. The reversal of 1679912 is 2199761.

It can be written as a sum of positive squares in 4 ways, for example, as 784996 + 894916 = 886^2 + 946^2 .

It is not an unprimeable number, because it can be changed into a prime (1679917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2738 + ... + 3294.

2^1679912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1679912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1757700).

1679912 is an abundant number, since it is smaller than the sum of its proper divisors (1835488).

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

1679912 is a wasteful number, since it uses less digits than its factorization.

1679912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 601 counting only the distinct ones).

The product of its digits is 6804, while the sum is 35.

The square root of 1679912 is about 1296.1141925000. The cubic root of 1679912 is about 118.8763633637.

The spelling of 1679912 in words is "one million, six hundred seventy-nine thousand, nine hundred twelve".