3822644 has 12 divisors (see below), whose sum is σ = 7645344. Its totient is φ = 1638264.

The previous prime is 3822631. The next prime is 3822649. The reversal of 3822644 is 4462283.

3822644 is an admirable number.

It is a super-2 number, since 2×3822644² = 29225214301472, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3822649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68234 + ... + 68289.

It is an arithmetic number, because the mean of its divisors is an integer number (637112).

Almost surely, 2^3822644 is an apocalyptic number.

It is an amenable number.

3822644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3822644 is a wasteful number, since it uses less digits than its factorization.

3822644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136534 (or 136532 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 3822644 is about 1955.1583056111. The cubic root of 3822644 is about 156.3584241588.

The spelling of 3822644 in words is "three million, eight hundred twenty-two thousand, six hundred forty-four".