4389131 has 2 divisors, whose sum is σ = 4389132. Its totient is φ = 4389130.

The previous prime is 4389083. The next prime is 4389137. The reversal of 4389131 is 1319834.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4389131 - 2¹⁴ = 4372747 is a prime.

It is a super-2 number, since 2×4389131² = 38528941870322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4389094 and 4389103.

It is not a weakly prime, because it can be changed into another prime (4389137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2194565 + 2194566.

It is an arithmetic number, because the mean of its divisors is an integer number (2194566).

Almost surely, 2^4389131 is an apocalyptic number.

4389131 is a deficient number, since it is larger than the sum of its proper divisors (1).

4389131 is an equidigital number, since it uses as much as digits as its factorization.

4389131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2592, while the sum is 29.

The square root of 4389131 is about 2095.0252981766. The cubic root of 4389131 is about 163.7292155505.

The spelling of 4389131 in words is "four million, three hundred eighty-nine thousand, one hundred thirty-one".