4213656 has 48 divisors (see below), whose sum is σ = 11685960. Its totient is φ = 1370880.

The previous prime is 4213639. The next prime is 4213673. The reversal of 4213656 is 6563124.

4213656 is a `hidden beast` number, since 4 + 2 + 1 + 3 + 656 = 666.

It is an interprime number because it is at equal distance from previous prime (4213639) and next prime (4213673).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2416 + ... + 3776.

Almost surely, 2^4213656 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 4213656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5842980).

4213656 is an abundant number, since it is smaller than the sum of its proper divisors (7472304).

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

4213656 is a wasteful number, since it uses less digits than its factorization.

4213656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1409 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 4213656 is about 2052.7191722201. The cubic root of 4213656 is about 161.5175403570.

The spelling of 4213656 in words is "four million, two hundred thirteen thousand, six hundred fifty-six".