6470987 has 2 divisors, whose sum is σ = 6470988. Its totient is φ = 6470986.

The previous prime is 6470983. The next prime is 6471013. The reversal of 6470987 is 7890746.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6470987 - 2² = 6470983 is a prime.

It is not a weakly prime, because it can be changed into another prime (6470983) 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, 3235493 + 3235494.

It is an arithmetic number, because the mean of its divisors is an integer number (3235494).

Almost surely, 2^6470987 is an apocalyptic number.

6470987 is a deficient number, since it is larger than the sum of its proper divisors (1).

6470987 is an equidigital number, since it uses as much as digits as its factorization.

6470987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 6470987 is about 2543.8134758665. The cubic root of 6470987 is about 186.3474735645.

The spelling of 6470987 in words is "six million, four hundred seventy thousand, nine hundred eighty-seven".