6249630 has 32 divisors (see below), whose sum is σ = 15367968. Its totient is φ = 1625600.

The previous prime is 6249619. The next prime is 6249647. The reversal of 6249630 is 369426.

6249630 = 1116² + 1117² + ... + 1120².

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1311 + ... + 3770.

It is an arithmetic number, because the mean of its divisors is an integer number (480249).

Almost surely, 2^6249630 is an apocalyptic number.

6249630 is an abundant number, since it is smaller than the sum of its proper divisors (9118338).

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

6249630 is a wasteful number, since it uses less digits than its factorization.

6249630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5132.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 6249630 is about 2499.9259989048. The cubic root of 6249630 is about 184.1979399492.

It can be divided in two parts, 62496 and 30, that added together give a palindrome (62526).

The spelling of 6249630 in words is "six million, two hundred forty-nine thousand, six hundred thirty".