6448420 has 24 divisors (see below), whose sum is σ = 14773248. Its totient is φ = 2344800.

The previous prime is 6448399. The next prime is 6448427. The reversal of 6448420 is 248446.

It is not an unprimeable number, because it can be changed into a prime (6448427) 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, 14436 + ... + 14875.

It is an arithmetic number, because the mean of its divisors is an integer number (615552).

Almost surely, 2^6448420 is an apocalyptic number.

It is an amenable number.

6448420 is an abundant number, since it is smaller than the sum of its proper divisors (8324828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6448420 is a wasteful number, since it uses less digits than its factorization.

6448420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29331 (or 29329 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 6448420 is about 2539.3739385920. The cubic root of 6448420 is about 186.1305977632.

It can be divided in two parts, 64 and 48420, that added together give a palindrome (48484).

The spelling of 6448420 in words is "six million, four hundred forty-eight thousand, four hundred twenty".