4256766 has 32 divisors (see below), whose sum is σ = 10018080. Its totient is φ = 1335168.

The previous prime is 4256761. The next prime is 4256797. The reversal of 4256766 is 6676524.

It is a self number, because there is not a number n which added to its sum of digits gives 4256766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4256761) 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, 1401 + ... + 3236.

It is an arithmetic number, because the mean of its divisors is an integer number (313065).

Almost surely, 2^4256766 is an apocalyptic number.

4256766 is an abundant number, since it is smaller than the sum of its proper divisors (5761314).

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

4256766 is a wasteful number, since it uses less digits than its factorization.

4256766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4665 (or 4659 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 4256766 is about 2063.1931562508. The cubic root of 4256766 is about 162.0665021891.

The spelling of 4256766 in words is "four million, two hundred fifty-six thousand, seven hundred sixty-six".