6406147 has 8 divisors (see below), whose sum is σ = 7137792. Its totient is φ = 5699400.

The previous prime is 6406123. The next prime is 6406151. The reversal of 6406147 is 7416046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6406147 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (6406177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5679 + ... + 6712.

It is an arithmetic number, because the mean of its divisors is an integer number (892224).

Almost surely, 2^6406147 is an apocalyptic number.

6406147 is a deficient number, since it is larger than the sum of its proper divisors (731645).

6406147 is a wasteful number, since it uses less digits than its factorization.

6406147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12449.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 6406147 is about 2531.0367441031. The cubic root of 6406147 is about 185.7229756711.

The spelling of 6406147 in words is "six million, four hundred six thousand, one hundred forty-seven".