6447662 has 16 divisors (see below), whose sum is σ = 10614240. Its totient is φ = 2919072.

The previous prime is 6447653. The next prime is 6447671. The reversal of 6447662 is 2667446.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6447653) and next prime (6447671).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962 + ... + 3717.

It is an arithmetic number, because the mean of its divisors is an integer number (663390).

Almost surely, 2^6447662 is an apocalyptic number.

6447662 is a deficient number, since it is larger than the sum of its proper divisors (4166578).

6447662 is a wasteful number, since it uses less digits than its factorization.

6447662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4747.

The product of its digits is 48384, while the sum is 35.

The square root of 6447662 is about 2539.2246848202. The cubic root of 6447662 is about 186.1233043734.

The spelling of 6447662 in words is "six million, four hundred forty-seven thousand, six hundred sixty-two".