6424884 has 18 divisors (see below), whose sum is σ = 16240770. Its totient is φ = 2141616.

The previous prime is 6424883. The next prime is 6424897. The reversal of 6424884 is 4884246.

6424884 is a `hidden beast` number, since 642 + 4 + 8 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3459600 + 2965284 = 1860^2 + 1722^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 178469 = 6424884 / (6 + 4 + 2 + 4 + 8 + 8 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89199 + ... + 89270.

It is an arithmetic number, because the mean of its divisors is an integer number (902265).

Almost surely, 2^6424884 is an apocalyptic number.

It is an amenable number.

6424884 is an abundant number, since it is smaller than the sum of its proper divisors (9815886).

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

6424884 is a wasteful number, since it uses less digits than its factorization.

6424884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178479 (or 178474 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 6424884 is about 2534.7354891586. The cubic root of 6424884 is about 185.9038698540.

The spelling of 6424884 in words is "six million, four hundred twenty-four thousand, eight hundred eighty-four".