4513640 has 32 divisors (see below), whose sum is σ = 10692000. Its totient is φ = 1710144.

The previous prime is 4513637. The next prime is 4513643. The reversal of 4513640 is 463154.

It is a happy number.

4513640 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4513637) and next prime (4513643).

It is not an unprimeable number, because it can be changed into a prime (4513643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2210 + ... + 3729.

It is an arithmetic number, because the mean of its divisors is an integer number (334125).

Almost surely, 2^4513640 is an apocalyptic number.

4513640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4513640 is an abundant number, since it is smaller than the sum of its proper divisors (6178360).

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

4513640 is a wasteful number, since it uses less digits than its factorization.

4513640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969 (or 5965 counting only the distinct ones).

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

The square root of 4513640 is about 2124.5328898372. The cubic root of 4513640 is about 165.2630026625.

Adding to 4513640 its reverse (463154), we get a palindrome (4976794).

The spelling of 4513640 in words is "four million, five hundred thirteen thousand, six hundred forty".