6904487 has 2 divisors, whose sum is σ = 6904488. Its totient is φ = 6904486.

The previous prime is 6904483. The next prime is 6904501. The reversal of 6904487 is 7844096.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6904487 - 2² = 6904483 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6904487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6904483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3452243 + 3452244.

It is an arithmetic number, because the mean of its divisors is an integer number (3452244).

Almost surely, 2^6904487 is an apocalyptic number.

6904487 is a deficient number, since it is larger than the sum of its proper divisors (1).

6904487 is an equidigital number, since it uses as much as digits as its factorization.

6904487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 6904487 is about 2627.6390543604. The cubic root of 6904487 is about 190.4190841774.

The spelling of 6904487 in words is "six million, nine hundred four thousand, four hundred eighty-seven".