4255786 has 4 divisors (see below), whose sum is σ = 6383682. Its totient is φ = 2127892.

The previous prime is 4255781. The next prime is 4255789. The reversal of 4255786 is 6875524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4223025 + 32761 = 2055^2 + 181^2 .

It is a super-2 number, since 2×4255786² = 36223428955592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4255781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063945 + ... + 1063948.

Almost surely, 2^4255786 is an apocalyptic number.

4255786 is a deficient number, since it is larger than the sum of its proper divisors (2127896).

4255786 is a wasteful number, since it uses less digits than its factorization.

4255786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127895.

The product of its digits is 67200, while the sum is 37.

The square root of 4255786 is about 2062.9556466391. The cubic root of 4255786 is about 162.0540641581.

It can be divided in two parts, 4255 and 786, that added together give a square (5041 = 71²).

The spelling of 4255786 in words is "four million, two hundred fifty-five thousand, seven hundred eighty-six".