6303040 has 28 divisors (see below), whose sum is σ = 15009876. Its totient is φ = 2521088.

The previous prime is 6303023. The next prime is 6303043. The reversal of 6303040 is 403036.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 4804864 = 1224^2 + 2192^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6303043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9529 + ... + 10168.

It is an arithmetic number, because the mean of its divisors is an integer number (536067).

Almost surely, 2^6303040 is an apocalyptic number.

It is an amenable number.

6303040 is an abundant number, since it is smaller than the sum of its proper divisors (8706836).

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

6303040 is a wasteful number, since it uses less digits than its factorization.

6303040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19714 (or 19704 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 6303040 is about 2510.5855890608. The cubic root of 6303040 is about 184.7211772564.

Adding to 6303040 its reverse (403036), we get a palindrome (6706076).

The spelling of 6303040 in words is "six million, three hundred three thousand, forty".