4642281 has 24 divisors (see below), whose sum is σ = 7913984. Its totient is φ = 2566080.

The previous prime is 4642271. The next prime is 4642361. The reversal of 4642281 is 1822464.

It is not a de Polignac number, because 4642281 - 2¹³ = 4634089 is a prime.

It is a super-2 number, since 2×4642281² = 43101545765922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4642271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 765 + ... + 3141.

Almost surely, 2^4642281 is an apocalyptic number.

It is an amenable number.

4642281 is a deficient number, since it is larger than the sum of its proper divisors (3271703).

4642281 is a wasteful number, since it uses less digits than its factorization.

4642281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421 (or 2418 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 4642281 is about 2154.5953216323. The cubic root of 4642281 is about 166.8183450313.

The spelling of 4642281 in words is "four million, six hundred forty-two thousand, two hundred eighty-one".