6320040 has 32 divisors (see below), whose sum is σ = 18960480. Its totient is φ = 1685312.

The previous prime is 6320033. The next prime is 6320051. The reversal of 6320040 is 400236.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26214 + ... + 26453.

It is an arithmetic number, because the mean of its divisors is an integer number (592515).

Almost surely, 2^6320040 is an apocalyptic number.

6320040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6320040 is an abundant number, since it is smaller than the sum of its proper divisors (12640440).

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

6320040 is a wasteful number, since it uses less digits than its factorization.

6320040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52681 (or 52677 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 6320040 is about 2513.9689735556. The cubic root of 6320040 is about 184.8870993631.

Adding to 6320040 its reverse (400236), we get a palindrome (6720276).

The spelling of 6320040 in words is "six million, three hundred twenty thousand, forty".