4642256 has 10 divisors (see below), whose sum is σ = 8994402. Its totient is φ = 2321120.

The previous prime is 4642223. The next prime is 4642259. The reversal of 4642256 is 6522464.

It can be written as a sum of positive squares in only one way, i.e., 3610000 + 1032256 = 1900^2 + 1016^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4642259) by changing a digit.

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, 145055 + ... + 145086.

Almost surely, 2^4642256 is an apocalyptic number.

It is an amenable number.

4642256 is a deficient number, since it is larger than the sum of its proper divisors (4352146).

4642256 is a wasteful number, since it uses less digits than its factorization.

4642256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290149 (or 290143 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 4642256 is about 2154.5895200711. The cubic root of 4642256 is about 166.8180455760.

The spelling of 4642256 in words is "four million, six hundred forty-two thousand, two hundred fifty-six".