6448436 has 12 divisors (see below), whose sum is σ = 11421312. Its totient is φ = 3185208.

The previous prime is 6448427. The next prime is 6448451. The reversal of 6448436 is 6348446.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6448396 and 6448405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9380 + ... + 10043.

It is an arithmetic number, because the mean of its divisors is an integer number (951776).

Almost surely, 2^6448436 is an apocalyptic number.

It is an amenable number.

6448436 is a deficient number, since it is larger than the sum of its proper divisors (4972876).

6448436 is a wasteful number, since it uses less digits than its factorization.

6448436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19510 (or 19508 counting only the distinct ones).

The product of its digits is 55296, while the sum is 35.

The square root of 6448436 is about 2539.3770889728. The cubic root of 6448436 is about 186.1307517072.

The spelling of 6448436 in words is "six million, four hundred forty-eight thousand, four hundred thirty-six".