6447106 has 12 divisors (see below), whose sum is σ = 10018242. Its totient is φ = 3111584.

The previous prime is 6447073. The next prime is 6447109. The reversal of 6447106 is 6017446.

It can be written as a sum of positive squares in 3 ways, for example, as 4862025 + 1585081 = 2205^2 + 1259^2 .

It is not an unprimeable number, because it can be changed into a prime (6447109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 235 + ... + 3598.

Almost surely, 2^6447106 is an apocalyptic number.

6447106 is a deficient number, since it is larger than the sum of its proper divisors (3571136).

6447106 is a wasteful number, since it uses less digits than its factorization.

6447106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3893 (or 3864 counting only the distinct ones).

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

The square root of 6447106 is about 2539.1152002223. The cubic root of 6447106 is about 186.1179542413.

It can be divided in two parts, 644 and 7106, that added together give a triangular number (7750 = T₁₂₄).

The spelling of 6447106 in words is "six million, four hundred forty-seven thousand, one hundred six".