6249920 has 28 divisors (see below), whose sum is σ = 14883384. Its totient is φ = 2499840.

The previous prime is 6249913. The next prime is 6249923. The reversal of 6249920 is 299426.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6249923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9446 + ... + 10085.

Almost surely, 2^6249920 is an apocalyptic number.

It is an amenable number.

6249920 is an abundant number, since it is smaller than the sum of its proper divisors (8633464).

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

6249920 is a wasteful number, since it uses less digits than its factorization.

6249920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19548 (or 19538 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 6249920 is about 2499.9839999488. The cubic root of 6249920 is about 184.2007890019.

The spelling of 6249920 in words is "six million, two hundred forty-nine thousand, nine hundred twenty".