4518642 has 16 divisors (see below), whose sum is σ = 9152640. Its totient is φ = 1486992.

The previous prime is 4518641. The next prime is 4518643. The reversal of 4518642 is 2468154.

It is an interprime number because it is at equal distance from previous prime (4518641) and next prime (4518643).

It is not an unprimeable number, because it can be changed into a prime (4518641) 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, 4293 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (572040).

Almost surely, 2^4518642 is an apocalyptic number.

4518642 is an abundant number, since it is smaller than the sum of its proper divisors (4633998).

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

4518642 is a wasteful number, since it uses less digits than its factorization.

4518642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9617.

The product of its digits is 7680, while the sum is 30.

The square root of 4518642 is about 2125.7097638201. The cubic root of 4518642 is about 165.3240280851.

The spelling of 4518642 in words is "four million, five hundred eighteen thousand, six hundred forty-two".