4256340 has 48 divisors (see below), whose sum is σ = 13003200. Its totient is φ = 1031680.

The previous prime is 4256327. The next prime is 4256347. The reversal of 4256340 is 436524.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4256340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256347) 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, 2565 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (270900).

Almost surely, 2^4256340 is an apocalyptic number.

It is an amenable number.

4256340 is an abundant number, since it is smaller than the sum of its proper divisors (8746860).

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

4256340 is a wasteful number, since it uses less digits than its factorization.

4256340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6472 (or 6470 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 4256340 is about 2063.0899156363. The cubic root of 4256340 is about 162.0610956878.

The spelling of 4256340 in words is "four million, two hundred fifty-six thousand, three hundred forty".