4057256 has 32 divisors (see below), whose sum is σ = 8864640. Its totient is φ = 1704768.

The previous prime is 4057247. The next prime is 4057297. The reversal of 4057256 is 6527504.

4057256 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×4057256² = 32922652499072, which contains 22 as substring.

4057256 is strictly pandigital in base 8.

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, 2285 + ... + 3651.

It is an arithmetic number, because the mean of its divisors is an integer number (277020).

Almost surely, 2^4057256 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 4057256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4432320).

4057256 is an abundant number, since it is smaller than the sum of its proper divisors (4807384).

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

4057256 is a wasteful number, since it uses less digits than its factorization.

4057256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 4057256 is about 2014.2631407043. The cubic root of 4057256 is about 159.4939218014.

The spelling of 4057256 in words is "four million, fifty-seven thousand, two hundred fifty-six".