6819252 has 48 divisors (see below), whose sum is σ = 18278400. Its totient is φ = 1956960.

The previous prime is 6819229. The next prime is 6819289. The reversal of 6819252 is 2529186.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1149 + ... + 3867.

It is an arithmetic number, because the mean of its divisors is an integer number (380800).

Almost surely, 2^6819252 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 6819252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9139200).

6819252 is an abundant number, since it is smaller than the sum of its proper divisors (11459148).

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

6819252 is a wasteful number, since it uses less digits than its factorization.

6819252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756 (or 2754 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 6819252 is about 2611.3697555115. The cubic root of 6819252 is about 189.6322712076.

The spelling of 6819252 in words is "six million, eight hundred nineteen thousand, two hundred fifty-two".