4613640 has 32 divisors (see below), whose sum is σ = 13841280. Its totient is φ = 1230272.

The previous prime is 4613629. The next prime is 4613657. The reversal of 4613640 is 463164.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4613640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19104 + ... + 19343.

It is an arithmetic number, because the mean of its divisors is an integer number (432540).

Almost surely, 2^4613640 is an apocalyptic number.

4613640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4613640 is an abundant number, since it is smaller than the sum of its proper divisors (9227640).

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

4613640 is a wasteful number, since it uses less digits than its factorization.

4613640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38461 (or 38457 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 4613640 is about 2147.9385466070. The cubic root of 4613640 is about 166.4745697889.

It can be divided in two parts, 4613 and 640, that added together give a triangular number (5253 = T₁₀₂).

The spelling of 4613640 in words is "four million, six hundred thirteen thousand, six hundred forty".