4216656 has 40 divisors (see below), whose sum is σ = 11008224. Its totient is φ = 1390720.

The previous prime is 4216633. The next prime is 4216657. The reversal of 4216656 is 6566124.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216657) 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, 4726 + ... + 5546.

Almost surely, 2^4216656 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 4216656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5504112).

4216656 is an abundant number, since it is smaller than the sum of its proper divisors (6791568).

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

4216656 is a wasteful number, since it uses less digits than its factorization.

4216656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 939 (or 933 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 4216656 is about 2053.4497802479. The cubic root of 4216656 is about 161.5558631873. Note that the first 3 decimals are identical.

The spelling of 4216656 in words is "four million, two hundred sixteen thousand, six hundred fifty-six".