6361806 has 32 divisors (see below), whose sum is σ = 14224896. Its totient is φ = 1880000.

The previous prime is 6361801. The next prime is 6361829. The reversal of 6361806 is 6081636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6361801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1531 + ... + 3881.

It is an arithmetic number, because the mean of its divisors is an integer number (444528).

Almost surely, 2^6361806 is an apocalyptic number.

6361806 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6361806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7112448).

6361806 is an abundant number, since it is smaller than the sum of its proper divisors (7863090).

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

6361806 is a wasteful number, since it uses less digits than its factorization.

6361806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 6361806 is about 2522.2620799592. The cubic root of 6361806 is about 185.2934810999.

It can be divided in two parts, 636 and 1806, that added together give a palindrome (2442).

The spelling of 6361806 in words is "six million, three hundred sixty-one thousand, eight hundred six".