4256434 has 36 divisors (see below), whose sum is σ = 8073594. Its totient is φ = 1677312.

The previous prime is 4256431. The next prime is 4256459. The reversal of 4256434 is 4346524.

It can be written as a sum of positive squares in 3 ways, for example, as 3441025 + 815409 = 1855^2 + 903^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256431) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16434 + ... + 16690.

Almost surely, 2^4256434 is an apocalyptic number.

4256434 is a deficient number, since it is larger than the sum of its proper divisors (3817160).

4256434 is a wasteful number, since it uses less digits than its factorization.

4256434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299 (or 279 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 4256434 is about 2063.1126968733. The cubic root of 4256434 is about 162.0622887026.

It can be divided in two parts, 425 and 6434, that added together give a cube (6859 = 19³).

The spelling of 4256434 in words is "four million, two hundred fifty-six thousand, four hundred thirty-four".