4193389 has 2 divisors, whose sum is σ = 4193390. Its totient is φ = 4193388.

The previous prime is 4193381. The next prime is 4193393. The reversal of 4193389 is 9833914.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3960100 + 233289 = 1990^2 + 483^2 .

It is a cyclic number.

It is not a de Polignac number, because 4193389 - 2³ = 4193381 is a prime.

It is a super-2 number, since 2×4193389² = 35169022610642, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4193381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096694 + 2096695.

It is an arithmetic number, because the mean of its divisors is an integer number (2096695).

Almost surely, 2^4193389 is an apocalyptic number.

It is an amenable number.

4193389 is a deficient number, since it is larger than the sum of its proper divisors (1).

4193389 is an equidigital number, since it uses as much as digits as its factorization.

4193389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 37.

The square root of 4193389 is about 2047.7765991436. The cubic root of 4193389 is about 161.2581663633.

The spelling of 4193389 in words is "four million, one hundred ninety-three thousand, three hundred eighty-nine".