4481631 has 48 divisors (see below), whose sum is σ = 8386560. Its totient is φ = 2237760.

The previous prime is 4481629. The next prime is 4481677. The reversal of 4481631 is 1361844.

It is not a de Polignac number, because 4481631 - 2¹ = 4481629 is a prime.

It is a super-2 number, since 2×4481631² = 40170032840322, which contains 22 as substring.

4481631 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4481595 and 4481604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4481611) 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 in 47 ways as a sum of consecutive naturals, for example, 19986 + ... + 20208.

It is an arithmetic number, because the mean of its divisors is an integer number (174720).

Almost surely, 2^4481631 is an apocalyptic number.

4481631 is a deficient number, since it is larger than the sum of its proper divisors (3904929).

4481631 is a wasteful number, since it uses less digits than its factorization.

4481631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 273 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 4481631 is about 2116.9863013255. The cubic root of 4481631 is about 164.8714149708.

The spelling of 4481631 in words is "four million, four hundred eighty-one thousand, six hundred thirty-one".