6249944 has 8 divisors (see below), whose sum is σ = 11718660. Its totient is φ = 3124968.

The previous prime is 6249923. The next prime is 6249949. The reversal of 6249944 is 4499426.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 6249898 and 6249907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390614 + ... + 390629.

Almost surely, 2^6249944 is an apocalyptic number.

It is an amenable number.

6249944 is a deficient number, since it is larger than the sum of its proper divisors (5468716).

6249944 is a wasteful number, since it uses less digits than its factorization.

6249944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781249 (or 781245 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 6249944 is about 2499.9887999749. The cubic root of 6249944 is about 184.2010247817.

The spelling of 6249944 in words is "six million, two hundred forty-nine thousand, nine hundred forty-four".