6418432 has 26 divisors (see below), whose sum is σ = 12843488. Its totient is φ = 3207168.

The previous prime is 6418429. The next prime is 6418439. The reversal of 6418432 is 2348146.

It is an Ulam number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6418432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6418439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313 + ... + 4879.

Almost surely, 2^6418432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6418432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6421744).

6418432 is an abundant number, since it is smaller than the sum of its proper divisors (6425056).

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

6418432 is an equidigital number, since it uses as much as digits as its factorization.

6418432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591 (or 1569 counting only the distinct ones).

The product of its digits is 4608, while the sum is 28.

The square root of 6418432 is about 2533.4624528499. The cubic root of 6418432 is about 185.8416195214.

It can be divided in two parts, 64 and 18432, that added together give a square (18496 = 136²).

The spelling of 6418432 in words is "six million, four hundred eighteen thousand, four hundred thirty-two".