6419847 has 16 divisors (see below), whose sum is σ = 9821952. Its totient is φ = 3653760.

The previous prime is 6419843. The next prime is 6419851. The reversal of 6419847 is 7489146.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6419843) and next prime (6419851).

It is not a de Polignac number, because 6419847 - 2² = 6419843 is a prime.

6419847 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6419843) 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 in 15 ways as a sum of consecutive naturals, for example, 6847 + ... + 7727.

It is an arithmetic number, because the mean of its divisors is an integer number (613872).

Almost surely, 2^6419847 is an apocalyptic number.

6419847 is a deficient number, since it is larger than the sum of its proper divisors (3402105).

6419847 is a wasteful number, since it uses less digits than its factorization.

6419847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238.

The product of its digits is 48384, while the sum is 39.

The square root of 6419847 is about 2533.7416995424. The cubic root of 6419847 is about 185.8552753266.

The spelling of 6419847 in words is "six million, four hundred nineteen thousand, eight hundred forty-seven".