4265856 has 144 divisors (see below), whose sum is σ = 14665560. Its totient is φ = 1165824.

The previous prime is 4265843. The next prime is 4265881. The reversal of 4265856 is 6585624.

4265856 = 76² + 77² + ... + 236².

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 4265856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 185461 + ... + 185483.

Almost surely, 2^4265856 is an apocalyptic number.

4265856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4265856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7332780).

4265856 is an abundant number, since it is smaller than the sum of its proper divisors (10399704).

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

4265856 is a wasteful number, since it uses less digits than its factorization.

4265856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 35 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 4265856 is about 2065.3948774992. The cubic root of 4265856 is about 162.1817804013.

The spelling of 4265856 in words is "four million, two hundred sixty-five thousand, eight hundred fifty-six".