4256736 has 96 divisors (see below), whose sum is σ = 12700800. Its totient is φ = 1236480.

The previous prime is 4256729. The next prime is 4256737. The reversal of 4256736 is 6376524.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 4256697 and 4256706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30555 + ... + 30693.

It is an arithmetic number, because the mean of its divisors is an integer number (132300).

Almost surely, 2^4256736 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 4256736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6350400).

4256736 is an abundant number, since it is smaller than the sum of its proper divisors (8444064).

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

4256736 is a wasteful number, since it uses less digits than its factorization.

4256736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 184 counting only the distinct ones).

The product of its digits is 30240, while the sum is 33.

The square root of 4256736 is about 2063.1858859541. The cubic root of 4256736 is about 162.0661214614.

The spelling of 4256736 in words is "four million, two hundred fifty-six thousand, seven hundred thirty-six".