6556434 has 16 divisors (see below), whose sum is σ = 13335840. Its totient is φ = 2148320.

The previous prime is 6556421. The next prime is 6556439. The reversal of 6556434 is 4346556.

It is a junction number, because it is equal to n+sod(n) for n = 6556395 and 6556404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8907 + ... + 9614.

It is an arithmetic number, because the mean of its divisors is an integer number (833490).

Almost surely, 2^6556434 is an apocalyptic number.

6556434 is an abundant number, since it is smaller than the sum of its proper divisors (6779406).

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

6556434 is a wasteful number, since it uses less digits than its factorization.

6556434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18585.

The product of its digits is 43200, while the sum is 33.

The square root of 6556434 is about 2560.5534557982. The cubic root of 6556434 is about 187.1641061834.

The spelling of 6556434 in words is "six million, five hundred fifty-six thousand, four hundred thirty-four".