4382656 has 42 divisors (see below), whose sum is σ = 9172448. Its totient is φ = 2075520.

The previous prime is 4382647. The next prime is 4382657. The reversal of 4382656 is 6562834.

It is a happy number.

It is a super-2 number, since 2×4382656² = 38415347228672, which contains 22 as substring.

It is an Ulam number.

Its product of digits (34560) is a multiple of the sum of its prime divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4382657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93225 + ... + 93271.

Almost surely, 2^4382656 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 4382656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4586224).

4382656 is an abundant number, since it is smaller than the sum of its proper divisors (4789792).

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

4382656 is an equidigital number, since it uses as much as digits as its factorization.

4382656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137 (or 80 counting only the distinct ones).

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

The square root of 4382656 is about 2093.4794004241. The cubic root of 4382656 is about 163.6486628990.

The spelling of 4382656 in words is "four million, three hundred eighty-two thousand, six hundred fifty-six".