4631540 has 24 divisors (see below), whose sum is σ = 9768192. Its totient is φ = 1844640.

The previous prime is 4631537. The next prime is 4631551. The reversal of 4631540 is 451364.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7025 + ... + 7655.

It is an arithmetic number, because the mean of its divisors is an integer number (407008).

Almost surely, 2^4631540 is an apocalyptic number.

It is an amenable number.

4631540 is an abundant number, since it is smaller than the sum of its proper divisors (5136652).

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

4631540 is a wasteful number, since it uses less digits than its factorization.

4631540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1005 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 4631540 is about 2152.1012987311. The cubic root of 4631540 is about 166.6895879587.

The spelling of 4631540 in words is "four million, six hundred thirty-one thousand, five hundred forty".