6460439 has 2 divisors, whose sum is σ = 6460440. Its totient is φ = 6460438.

The previous prime is 6460423. The next prime is 6460453. The reversal of 6460439 is 9340646.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6460439 - 2⁴ = 6460423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6460499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230219 + 3230220.

It is an arithmetic number, because the mean of its divisors is an integer number (3230220).

Almost surely, 2^6460439 is an apocalyptic number.

6460439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6460439 is an equidigital number, since it uses as much as digits as its factorization.

6460439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 6460439 is about 2541.7393650805. The cubic root of 6460439 is about 186.2461669106.

The spelling of 6460439 in words is "six million, four hundred sixty thousand, four hundred thirty-nine".