3842656 has 36 divisors (see below), whose sum is σ = 7943292. Its totient is φ = 1829696.

The previous prime is 3842627. The next prime is 3842669. The reversal of 3842656 is 6562483.

It is a happy number.

It is a d-powerful number, because it can be written as 3 + 8 + 4⁸ + 2²¹ + 6³ + 5³ + 6⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16815 + ... + 17041.

It is an arithmetic number, because the mean of its divisors is an integer number (220647).

Almost surely, 2^3842656 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 3842656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3971646).

3842656 is an abundant number, since it is smaller than the sum of its proper divisors (4100636).

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

3842656 is a wasteful number, since it uses less digits than its factorization.

3842656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283 (or 252 counting only the distinct ones).

The product of its digits is 34560, while the sum is 34.

The square root of 3842656 is about 1960.2693692450. The cubic root of 3842656 is about 156.6308011054.

The spelling of 3842656 in words is "three million, eight hundred forty-two thousand, six hundred fifty-six".