6447941 has 4 divisors (see below), whose sum is σ = 6511884. Its totient is φ = 6384000.

The previous prime is 6447929. The next prime is 6447943. The reversal of 6447941 is 1497446.

6447941 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1497446 = 2 ⋅748723.

It can be written as a sum of positive squares in 2 ways, for example, as 5387041 + 1060900 = 2321^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 6447941 - 2²² = 2253637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6447943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31820 + ... + 32021.

It is an arithmetic number, because the mean of its divisors is an integer number (1627971).

Almost surely, 2^6447941 is an apocalyptic number.

It is an amenable number.

6447941 is a deficient number, since it is larger than the sum of its proper divisors (63943).

6447941 is a wasteful number, since it uses less digits than its factorization.

6447941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63942.

The product of its digits is 24192, while the sum is 35.

The square root of 6447941 is about 2539.2796222551. The cubic root of 6447941 is about 186.1259889462.

The spelling of 6447941 in words is "six million, four hundred forty-seven thousand, nine hundred forty-one".