6268440 has 32 divisors (see below), whose sum is σ = 18805680. Its totient is φ = 1671552.

The previous prime is 6268439. The next prime is 6268441. The reversal of 6268440 is 448626.

It is an interprime number because it is at equal distance from previous prime (6268439) and next prime (6268441).

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

It is a d-powerful number, because it can be written as 6⁴ + 2¹⁷ + 6⁸ + 8 + 4⁹ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 6268398 and 6268407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6268441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25999 + ... + 26238.

Almost surely, 2^6268440 is an apocalyptic number.

6268440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6268440 is an abundant number, since it is smaller than the sum of its proper divisors (12537240).

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

6268440 is a wasteful number, since it uses less digits than its factorization.

6268440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52251 (or 52247 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 6268440 is about 2503.6852837368. The cubic root of 6268440 is about 184.3825531714.

The spelling of 6268440 in words is "six million, two hundred sixty-eight thousand, four hundred forty".