1679432 has 8 divisors (see below), whose sum is σ = 3148950. Its totient is φ = 839712.

The previous prime is 1679417. The next prime is 1679443. The reversal of 1679432 is 2349761.

It can be written as a sum of positive squares in only one way, i.e., 1110916 + 568516 = 1054^2 + 754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 1 + 6² + 7⁵ + 9⁵ + 4⁵ + 3¹³ + 2¹³ .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 104957 + ... + 104972.

2^1679432 is an apocalyptic number.

It is an amenable number.

1679432 is a deficient number, since it is larger than the sum of its proper divisors (1469518).

1679432 is a wasteful number, since it uses less digits than its factorization.

1679432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209935 (or 209931 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1679432 is about 1295.9290104014. The cubic root of 1679432 is about 118.8650401337.

The spelling of 1679432 in words is "one million, six hundred seventy-nine thousand, four hundred thirty-two".