6428196 has 18 divisors (see below), whose sum is σ = 16249142. Its totient is φ = 2142720.

The previous prime is 6428189. The next prime is 6428197. The reversal of 6428196 is 6918246.

6428196 is a `hidden beast` number, since 642 + 8 + 1 + 9 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4284900 + 2143296 = 2070^2 + 1464^2 .

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: 178561 = 6428196 / (6 + 4 + 2 + 8 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 6428196.

It is not an unprimeable number, because it can be changed into a prime (6428197) 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, 89245 + ... + 89316.

Almost surely, 2^6428196 is an apocalyptic number.

It is an amenable number.

6428196 is an abundant number, since it is smaller than the sum of its proper divisors (9820946).

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

6428196 is a wasteful number, since it uses less digits than its factorization.

6428196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178571 (or 178566 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 6428196 is about 2535.3887275919. The cubic root of 6428196 is about 185.9358085810.

The spelling of 6428196 in words is "six million, four hundred twenty-eight thousand, one hundred ninety-six".