6213040 has 40 divisors (see below), whose sum is σ = 14842800. Its totient is φ = 2416896.

The previous prime is 6213037. The next prime is 6213043. The reversal of 6213040 is 403126.

It is an interprime number because it is at equal distance from previous prime (6213037) and next prime (6213043).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (6213043) 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 7 ways as a sum of consecutive naturals, for example, 1911 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (371070).

Almost surely, 2^6213040 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 6213040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7421400).

6213040 is an abundant number, since it is smaller than the sum of its proper divisors (8629760).

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

6213040 is a wasteful number, since it uses less digits than its factorization.

6213040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149 (or 2143 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 6213040 is about 2492.5970392344. The cubic root of 6213040 is about 183.8377586877.

Adding to 6213040 its reverse (403126), we get a palindrome (6616166).

The spelling of 6213040 in words is "six million, two hundred thirteen thousand, forty".