4809618 has 40 divisors (see below), whose sum is σ = 11761200. Its totient is φ = 1456920.

The previous prime is 4809583. The next prime is 4809643. The reversal of 4809618 is 8169084.

It is a happy number.

It is a super-3 number, since 3×4809618³ (a number of 21 digits) contains 333 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 433 + ... + 3131.

It is an arithmetic number, because the mean of its divisors is an integer number (294030).

Almost surely, 2^4809618 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4809618, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5880600).

4809618 is an abundant number, since it is smaller than the sum of its proper divisors (6951582).

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

4809618 is a wasteful number, since it uses less digits than its factorization.

4809618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2724 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 4809618 is about 2193.0841297132. The cubic root of 4809618 is about 168.7991264377.

The spelling of 4809618 in words is "four million, eight hundred nine thousand, six hundred eighteen".