6406368 has 24 divisors (see below), whose sum is σ = 16816968. Its totient is φ = 2135424.

The previous prime is 6406343. The next prime is 6406369. The reversal of 6406368 is 8636046.

It is a tau number, because it is divible by the number of its divisors (24).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6406369) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33271 + ... + 33462.

It is an arithmetic number, because the mean of its divisors is an integer number (700707).

Almost surely, 2^6406368 is an apocalyptic number.

It is an amenable number.

6406368 is an abundant number, since it is smaller than the sum of its proper divisors (10410600).

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

6406368 is a wasteful number, since it uses less digits than its factorization.

6406368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66746 (or 66738 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 6406368 is about 2531.0804017257. The cubic root of 6406368 is about 185.7251113441.

The spelling of 6406368 in words is "six million, four hundred six thousand, three hundred sixty-eight".