1672393 has 2 divisors, whose sum is σ = 1672394. Its totient is φ = 1672392.

The previous prime is 1672381. The next prime is 1672421. The reversal of 1672393 is 3932761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 944784 + 727609 = 972^2 + 853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1672393 is a prime.

It is not a weakly prime, because it can be changed into another prime (1673393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 836196 + 836197.

It is an arithmetic number, because the mean of its divisors is an integer number (836197).

2^1672393 is an apocalyptic number.

It is an amenable number.

1672393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1672393 is an equidigital number, since it uses as much as digits as its factorization.

1672393 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 1672393 is about 1293.2103463861. The cubic root of 1672393 is about 118.6987413122.

The spelling of 1672393 in words is "one million, six hundred seventy-two thousand, three hundred ninety-three".