6447214 has 8 divisors (see below), whose sum is σ = 9803520. Its totient is φ = 3179376.

The previous prime is 6447197. The next prime is 6447229. The reversal of 6447214 is 4127446.

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

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21934 + ... + 22225.

It is an arithmetic number, because the mean of its divisors is an integer number (1225440).

Almost surely, 2^6447214 is an apocalyptic number.

6447214 is a deficient number, since it is larger than the sum of its proper divisors (3356306).

6447214 is a wasteful number, since it uses less digits than its factorization.

6447214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44234.

The product of its digits is 5376, while the sum is 28.

The square root of 6447214 is about 2539.1364673841. The cubic root of 6447214 is about 186.1189934996.

It can be divided in two parts, 64 and 47214, that added together give a triangular number (47278 = T₃₀₇).

The spelling of 6447214 in words is "six million, four hundred forty-seven thousand, two hundred fourteen".