4587640 has 16 divisors (see below), whose sum is σ = 10322280. Its totient is φ = 1835040.

The previous prime is 4587619. The next prime is 4587643. The reversal of 4587640 is 467854.

It is a junction number, because it is equal to n+sod(n) for n = 4587596 and 4587605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4587643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57306 + ... + 57385.

Almost surely, 2^4587640 is an apocalyptic number.

4587640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4587640 is an abundant number, since it is smaller than the sum of its proper divisors (5734640).

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

4587640 is a wasteful number, since it uses less digits than its factorization.

4587640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114702 (or 114698 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 4587640 is about 2141.8776809146. The cubic root of 4587640 is about 166.1612600452.

The spelling of 4587640 in words is "four million, five hundred eighty-seven thousand, six hundred forty".