6428472 has 64 divisors (see below), whose sum is σ = 16934400. Its totient is φ = 2031360.

The previous prime is 6428447. The next prime is 6428473. The reversal of 6428472 is 2748246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6428473) 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, 46179 + ... + 46317.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^6428472 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 6428472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8467200).

6428472 is an abundant number, since it is smaller than the sum of its proper divisors (10505928).

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

6428472 is a wasteful number, since it uses less digits than its factorization.

6428472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 232 counting only the distinct ones).

The product of its digits is 21504, while the sum is 33.

The square root of 6428472 is about 2535.4431565310. The cubic root of 6428472 is about 185.9384696463.

The spelling of 6428472 in words is "six million, four hundred twenty-eight thousand, four hundred seventy-two".