4381656 has 32 divisors (see below), whose sum is σ = 11097600. Its totient is φ = 1441440.

The previous prime is 4381607. The next prime is 4381667. The reversal of 4381656 is 6561834.

4381656 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741 + ... + 3051.

It is an arithmetic number, because the mean of its divisors is an integer number (346800).

Almost surely, 2^4381656 is an apocalyptic number.

It is an amenable number.

4381656 is an abundant number, since it is smaller than the sum of its proper divisors (6715944).

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

4381656 is a wasteful number, since it uses less digits than its factorization.

4381656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2395 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 4381656 is about 2093.2405499608. The cubic root of 4381656 is about 163.6362152636.

The spelling of 4381656 in words is "four million, three hundred eighty-one thousand, six hundred fifty-six".