6269440 has 80 divisors (see below), whose sum is σ = 15713280. Its totient is φ = 2396160.

The previous prime is 6269437. The next prime is 6269441. The reversal of 6269440 is 449626.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6269441) 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, 79321 + ... + 79399.

It is an arithmetic number, because the mean of its divisors is an integer number (196416).

Almost surely, 2^6269440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6269440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7856640).

6269440 is an abundant number, since it is smaller than the sum of its proper divisors (9443840).

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

6269440 is an equidigital number, since it uses as much as digits as its factorization.

6269440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 6269440 is about 2503.8849813839. The cubic root of 6269440 is about 184.3923574581.

The spelling of 6269440 in words is "six million, two hundred sixty-nine thousand, four hundred forty".