4291256 has 8 divisors (see below), whose sum is σ = 8046120. Its totient is φ = 2145624.

The previous prime is 4291249. The next prime is 4291267. The reversal of 4291256 is 6521924.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268196 + ... + 268211.

It is an arithmetic number, because the mean of its divisors is an integer number (1005765).

Almost surely, 2^4291256 is an apocalyptic number.

It is an amenable number.

4291256 is a deficient number, since it is larger than the sum of its proper divisors (3754864).

4291256 is a wasteful number, since it uses less digits than its factorization.

4291256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536413 (or 536409 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 4291256 is about 2071.5346967888. The cubic root of 4291256 is about 162.5030342629.

The spelling of 4291256 in words is "four million, two hundred ninety-one thousand, two hundred fifty-six".