6446266 has 16 divisors (see below), whose sum is σ = 9999360. Its totient is φ = 3114720.

The previous prime is 6446257. The next prime is 6446267. The reversal of 6446266 is 6626446.

6446266 = T₂₅₃ + T₂₅₄ + ... + T₃₇₉.

It is not an unprimeable number, because it can be changed into a prime (6446267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10105 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (624960).

Almost surely, 2^6446266 is an apocalyptic number.

6446266 is a deficient number, since it is larger than the sum of its proper divisors (3553094).

6446266 is a wasteful number, since it uses less digits than its factorization.

6446266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789.

The product of its digits is 41472, while the sum is 34.

The square root of 6446266 is about 2538.9497828827. The cubic root of 6446266 is about 186.1098707243.

It can be divided in two parts, 644 and 6266, that multiplied together give a palindrome (4035304).

The spelling of 6446266 in words is "six million, four hundred forty-six thousand, two hundred sixty-six".