4631840 has 24 divisors (see below), whose sum is σ = 10943100. Its totient is φ = 1852672.

The previous prime is 4631821. The next prime is 4631843. The reversal of 4631840 is 481364.

4631840 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 4276624 + 355216 = 2068^2 + 596^2 .

It is not an unprimeable number, because it can be changed into a prime (4631843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14315 + ... + 14634.

Almost surely, 2^4631840 is an apocalyptic number.

4631840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4631840 is an abundant number, since it is smaller than the sum of its proper divisors (6311260).

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

4631840 is a wasteful number, since it uses less digits than its factorization.

4631840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28964 (or 28956 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 4631840 is about 2152.1709969238. The cubic root of 4631840 is about 166.6931868910.

The spelling of 4631840 in words is "four million, six hundred thirty-one thousand, eight hundred forty".