6400052 has 12 divisors (see below), whose sum is σ = 11254656. Its totient is φ = 3184440.

The previous prime is 6400033. The next prime is 6400091. The reversal of 6400052 is 2500046.

It is a self number, because there is not a number n which added to its sum of digits gives 6400052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2948 + ... + 4635.

It is an arithmetic number, because the mean of its divisors is an integer number (937888).

Almost surely, 2^6400052 is an apocalyptic number.

It is an amenable number.

6400052 is a deficient number, since it is larger than the sum of its proper divisors (4854604).

6400052 is a wasteful number, since it uses less digits than its factorization.

6400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7798 (or 7796 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 6400052 is about 2529.8324055162. The cubic root of 6400052 is about 185.6640561819.

Adding to 6400052 its reverse (2500046), we get a palindrome (8900098).

The spelling of 6400052 in words is "six million, four hundred thousand, fifty-two".