1679429 has 8 divisors (see below), whose sum is σ = 1782240. Its totient is φ = 1578096.

The previous prime is 1679417. The next prime is 1679443. The reversal of 1679429 is 9249761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1679429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1679392 and 1679401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1679459) 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, 2702 + ... + 3264.

It is an arithmetic number, because the mean of its divisors is an integer number (222780).

2^1679429 is an apocalyptic number.

1679429 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1679429 is a deficient number, since it is larger than the sum of its proper divisors (102811).

1679429 is a wasteful number, since it uses less digits than its factorization.

1679429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its digits is 27216, while the sum is 38.

The square root of 1679429 is about 1295.9278529301. The cubic root of 1679429 is about 118.8649693568.

The spelling of 1679429 in words is "one million, six hundred seventy-nine thousand, four hundred twenty-nine".