4508643 has 16 divisors (see below), whose sum is σ = 6410880. Its totient is φ = 2810304.

The previous prime is 4508641. The next prime is 4508653. The reversal of 4508643 is 3468054.

It is not a de Polignac number, because 4508643 - 2¹ = 4508641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4508643.

It is not an unprimeable number, because it can be changed into a prime (4508641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4255 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (400680).

Almost surely, 2^4508643 is an apocalyptic number.

4508643 is a deficient number, since it is larger than the sum of its proper divisors (1902237).

4508643 is a wasteful number, since it uses less digits than its factorization.

4508643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 4508643 is about 2123.3565409511. The cubic root of 4508643 is about 165.2019932065.

It can be divided in two parts, 4508 and 643, that added together give a triangular number (5151 = T₁₀₁).

The spelling of 4508643 in words is "four million, five hundred eight thousand, six hundred forty-three".