6379812 has 18 divisors (see below), whose sum is σ = 16126838. Its totient is φ = 2126592.

The previous prime is 6379757. The next prime is 6379817. The reversal of 6379812 is 2189736.

6379812 is a `hidden beast` number, since 637 + 9 + 8 + 12 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5503716 + 876096 = 2346^2 + 936^2 .

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: 177217 = 6379812 / (6 + 3 + 7 + 9 + 8 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (6379817) 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, 88573 + ... + 88644.

Almost surely, 2^6379812 is an apocalyptic number.

It is an amenable number.

6379812 is an abundant number, since it is smaller than the sum of its proper divisors (9747026).

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

6379812 is a wasteful number, since it uses less digits than its factorization.

6379812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177227 (or 177222 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 6379812 is about 2525.8289728325. The cubic root of 6379812 is about 185.4681302306.

The spelling of 6379812 in words is "six million, three hundred seventy-nine thousand, eight hundred twelve".