6408534 has 32 divisors (see below), whose sum is σ = 14152320. Its totient is φ = 1918400.

The previous prime is 6408533. The next prime is 6408553. The reversal of 6408534 is 4358046.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6408533) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5329 + ... + 6419.

It is an arithmetic number, because the mean of its divisors is an integer number (442260).

Almost surely, 2^6408534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6408534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7076160).

6408534 is an abundant number, since it is smaller than the sum of its proper divisors (7743786).

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

6408534 is a wasteful number, since it uses less digits than its factorization.

6408534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1196.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 6408534 is about 2531.5082460857. The cubic root of 6408534 is about 185.7460402731.

The spelling of 6408534 in words is "six million, four hundred eight thousand, five hundred thirty-four".