6450006 has 32 divisors (see below), whose sum is σ = 14054400. Its totient is φ = 1965600.

The previous prime is 6449923. The next prime is 6450007. The reversal of 6450006 is 6000546.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2331 + ... + 4281.

It is an arithmetic number, because the mean of its divisors is an integer number (439200).

Almost surely, 2^6450006 is an apocalyptic number.

6450006 is an abundant number, since it is smaller than the sum of its proper divisors (7604394).

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

6450006 is a wasteful number, since it uses less digits than its factorization.

6450006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 6450006 is about 2539.6862010886. The cubic root of 6450006 is about 186.1458562260.

The spelling of 6450006 in words is "six million, four hundred fifty thousand, six".