3678822 has 72 divisors (see below), whose sum is σ = 9585576. Its totient is φ = 1016064.

The previous prime is 3678821. The next prime is 3678823. The reversal of 3678822 is 2288763.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3678821) and next prime (3678823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3678821) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37878 + ... + 37974.

It is an arithmetic number, because the mean of its divisors is an integer number (133133).

Almost surely, 2^3678822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3678822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4792788).

3678822 is an abundant number, since it is smaller than the sum of its proper divisors (5906754).

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

3678822 is a wasteful number, since it uses less digits than its factorization.

3678822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162 (or 152 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 3678822 is about 1918.0255472751. The cubic root of 3678822 is about 154.3723770910.

The spelling of 3678822 in words is "three million, six hundred seventy-eight thousand, eight hundred twenty-two".