4633281 has 24 divisors (see below), whose sum is σ = 7250880. Its totient is φ = 2950992.

The previous prime is 4633273. The next prime is 4633289. The reversal of 4633281 is 1823364.

It is a happy number.

4633281 is a `hidden beast` number, since 4 + 633 + 28 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (4633273) and next prime (4633289).

It is not a de Polignac number, because 4633281 - 2³ = 4633273 is a prime.

It is a super-2 number, since 2×4633281² = 42934585649922, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4633289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5175 + ... + 6003.

It is an arithmetic number, because the mean of its divisors is an integer number (302120).

Almost surely, 2^4633281 is an apocalyptic number.

It is an amenable number.

4633281 is a deficient number, since it is larger than the sum of its proper divisors (2617599).

4633281 is an equidigital number, since it uses as much as digits as its factorization.

4633281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 855 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4633281 is about 2152.5057491212. The cubic root of 4633281 is about 166.7104715969.

The spelling of 4633281 in words is "four million, six hundred thirty-three thousand, two hundred eighty-one".