6447148 has 12 divisors (see below), whose sum is σ = 11946312. Its totient is φ = 3033920.

The previous prime is 6447121. The next prime is 6447149. The reversal of 6447148 is 8417446.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (6447149) 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, 47338 + ... + 47473.

It is an arithmetic number, because the mean of its divisors is an integer number (995526).

Almost surely, 2^6447148 is an apocalyptic number.

6447148 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

6447148 is a deficient number, since it is larger than the sum of its proper divisors (5499164).

6447148 is a wasteful number, since it uses less digits than its factorization.

6447148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94832 (or 94830 counting only the distinct ones).

The product of its digits is 21504, while the sum is 34.

The square root of 6447148 is about 2539.1234708064. The cubic root of 6447148 is about 186.1183583987.

The spelling of 6447148 in words is "six million, four hundred forty-seven thousand, one hundred forty-eight".