4255946 has 4 divisors (see below), whose sum is σ = 6383922. Its totient is φ = 2127972.

The previous prime is 4255939. The next prime is 4255949. The reversal of 4255946 is 6495524.

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., 2265025 + 1990921 = 1505^2 + 1411^2 .

It is a super-2 number, since 2×4255946² = 36226152709832, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4255949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063985 + ... + 1063988.

Almost surely, 2^4255946 is an apocalyptic number.

4255946 is a deficient number, since it is larger than the sum of its proper divisors (2127976).

4255946 is a wasteful number, since it uses less digits than its factorization.

4255946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2127975.

The product of its digits is 43200, while the sum is 35.

The square root of 4255946 is about 2062.9944255863. The cubic root of 4255946 is about 162.0560949875.

The spelling of 4255946 in words is "four million, two hundred fifty-five thousand, nine hundred forty-six".