6444950 has 24 divisors (see below), whose sum is σ = 12139848. Its totient is φ = 2545280.

The previous prime is 6444943. The next prime is 6444953. The reversal of 6444950 is 594446.

It is a happy number.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6444953) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3374 + ... + 4926.

It is an arithmetic number, because the mean of its divisors is an integer number (505827).

Almost surely, 2^6444950 is an apocalyptic number.

6444950 is a deficient number, since it is larger than the sum of its proper divisors (5694898).

6444950 is a wasteful number, since it uses less digits than its factorization.

6444950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 6444950 is about 2538.6906073801. The cubic root of 6444950 is about 186.0972051358.

The spelling of 6444950 in words is "six million, four hundred forty-four thousand, nine hundred fifty".