4567840 has 24 divisors (see below), whose sum is σ = 10791900. Its totient is φ = 1827072.

The previous prime is 4567831. The next prime is 4567841. The reversal of 4567840 is 487654.

It can be written as a sum of positive squares in 2 ways, for example, as 4309776 + 258064 = 2076^2 + 508^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4567796 and 4567805.

It is not an unprimeable number, because it can be changed into a prime (4567841) 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, 14115 + ... + 14434.

Almost surely, 2^4567840 is an apocalyptic number.

4567840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4567840 is an abundant number, since it is smaller than the sum of its proper divisors (6224060).

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

4567840 is a wasteful number, since it uses less digits than its factorization.

4567840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564 (or 28556 counting only the distinct ones).

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

The square root of 4567840 is about 2137.2505702421. The cubic root of 4567840 is about 165.9218677162.

The spelling of 4567840 in words is "four million, five hundred sixty-seven thousand, eight hundred forty".