1679632 has 20 divisors (see below), whose sum is σ = 3286620. Its totient is φ = 831488.

The previous prime is 1679627. The next prime is 1679633. The reversal of 1679632 is 2369761.

It can be written as a sum of positive squares in 2 ways, for example, as 30976 + 1648656 = 176^2 + 1284^2 .

It is not an unprimeable number, because it can be changed into a prime (1679633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1344 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (164331).

2^1679632 is an apocalyptic number.

It is an amenable number.

1679632 is a deficient number, since it is larger than the sum of its proper divisors (1606988).

1679632 is a wasteful number, since it uses less digits than its factorization.

1679632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1044 counting only the distinct ones).

The product of its digits is 13608, while the sum is 34.

The square root of 1679632 is about 1296.0061728248. The cubic root of 1679632 is about 118.8697584084.

The spelling of 1679632 in words is "one million, six hundred seventy-nine thousand, six hundred thirty-two".