6820284 has 24 divisors (see below), whose sum is σ = 16345168. Its totient is φ = 2211840.

The previous prime is 6820283. The next prime is 6820291. The reversal of 6820284 is 4820286.

It is a happy number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7237 + ... + 8124.

Almost surely, 2^6820284 is an apocalyptic number.

It is an amenable number.

6820284 is an abundant number, since it is smaller than the sum of its proper divisors (9524884).

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

6820284 is a wasteful number, since it uses less digits than its factorization.

6820284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15405 (or 15403 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 6820284 is about 2611.5673454843. The cubic root of 6820284 is about 189.6418368038.

It can be divided in two parts, 68202 and 84, that added together give a palindrome (68286).

The spelling of 6820284 in words is "six million, eight hundred twenty thousand, two hundred eighty-four".