1672339 has 2 divisors, whose sum is σ = 1672340. Its totient is φ = 1672338.

The previous prime is 1672337. The next prime is 1672379. The reversal of 1672339 is 9332761.

It is a weak prime.

It is an emirp because it is prime and its reverse (9332761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1672339 - 2¹ = 1672337 is a prime.

Together with 1672337, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1672339.

It is not a weakly prime, because it can be changed into another prime (1672331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836169 + 836170.

It is an arithmetic number, because the mean of its divisors is an integer number (836170).

2^1672339 is an apocalyptic number.

1672339 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672339 is an equidigital number, since it uses as much as digits as its factorization.

1672339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6804, while the sum is 31.

The square root of 1672339 is about 1293.1894679435. The cubic root of 1672339 is about 118.6974637414.

The spelling of 1672339 in words is "one million, six hundred seventy-two thousand, three hundred thirty-nine".