4212656 has 40 divisors (see below), whose sum is σ = 9657120. Its totient is φ = 1741824.

The previous prime is 4212653. The next prime is 4212679. The reversal of 4212656 is 6562124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4212653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600 + ... + 3896.

It is an arithmetic number, because the mean of its divisors is an integer number (241428).

Almost surely, 2^4212656 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 4212656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4828560).

4212656 is an abundant number, since it is smaller than the sum of its proper divisors (5444464).

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

4212656 is a wasteful number, since it uses less digits than its factorization.

4212656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1341 (or 1335 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 4212656 is about 2052.4755784174. The cubic root of 4212656 is about 161.5047620382.

The spelling of 4212656 in words is "four million, two hundred twelve thousand, six hundred fifty-six".