4630440 has 64 divisors (see below), whose sum is σ = 14204160. Its totient is φ = 1207040.

The previous prime is 4630421. The next prime is 4630447. The reversal of 4630440 is 440364.

It is not an unprimeable number, because it can be changed into a prime (4630447) 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 15 ways as a sum of consecutive naturals, for example, 5230 + ... + 6050.

It is an arithmetic number, because the mean of its divisors is an integer number (221940).

Almost surely, 2^4630440 is an apocalyptic number.

4630440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4630440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7102080).

4630440 is an abundant number, since it is smaller than the sum of its proper divisors (9573720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4630440 is a wasteful number, since it uses less digits than its factorization.

4630440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 878 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4630440 is about 2151.8457193767. The cubic root of 4630440 is about 166.6763905438.

The spelling of 4630440 in words is "four million, six hundred thirty thousand, four hundred forty".