4256544 has 48 divisors (see below), whose sum is σ = 11309760. Its totient is φ = 1401600.

The previous prime is 4256537. The next prime is 4256561. The reversal of 4256544 is 4456524.

It is a tau number, because it is divible by the number of its divisors (48).

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, 9477 + ... + 9915.

It is an arithmetic number, because the mean of its divisors is an integer number (235620).

Almost surely, 2^4256544 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 4256544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5654880).

4256544 is an abundant number, since it is smaller than the sum of its proper divisors (7053216).

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

4256544 is a wasteful number, since it uses less digits than its factorization.

4256544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553 (or 545 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 4256544 is about 2063.1393554484. The cubic root of 4256544 is about 162.0636847616.

The spelling of 4256544 in words is "four million, two hundred fifty-six thousand, five hundred forty-four".