6221376 has 84 divisors (see below), whose sum is σ = 20393152. Its totient is φ = 1776384.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221376 is 6731226.

It is a happy number.

6221376 is a `hidden beast` number, since 622 + 1 + 37 + 6 = 666.

6221376 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (84).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (6221377) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3261 + ... + 4803.

Almost surely, 2^6221376 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 6221376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10196576).

6221376 is an abundant number, since it is smaller than the sum of its proper divisors (14171776).

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

6221376 is a wasteful number, since it uses less digits than its factorization.

6221376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568 (or 1555 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 6221376 is about 2494.2686302802. The cubic root of 6221376 is about 183.9199399654.

The spelling of 6221376 in words is "six million, two hundred twenty-one thousand, three hundred seventy-six".