6249984 has 80 divisors (see below), whose sum is σ = 17988432. Its totient is φ = 1916928.

The previous prime is 6249979. The next prime is 6249989. The reversal of 6249984 is 4899426.

It is an interprime number because it is at equal distance from previous prime (6249979) and next prime (6249989).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19812 + ... + 20124.

Almost surely, 2^6249984 is an apocalyptic number.

6249984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6249984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8994216).

6249984 is an abundant number, since it is smaller than the sum of its proper divisors (11738448).

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

6249984 is a wasteful number, since it uses less digits than its factorization.

6249984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 331 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 6249984 is about 2499.9967999980. The cubic root of 6249984 is about 184.2014177465.

It can be divided in two parts, 624 and 9984, that multiplied together give a square (6230016 = 2496²).

The spelling of 6249984 in words is "six million, two hundred forty-nine thousand, nine hundred eighty-four".