4623840 has 216 divisors, whose sum is σ = 17985240. Its totient is φ = 1078272.

The previous prime is 4623823. The next prime is 4623863. The reversal of 4623840 is 483264.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 243351 + ... + 243369.

It is an arithmetic number, because the mean of its divisors is an integer number (83265).

Almost surely, 2^4623840 is an apocalyptic number.

4623840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4623840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8992620).

4623840 is an abundant number, since it is smaller than the sum of its proper divisors (13361400).

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

4623840 is a wasteful number, since it uses less digits than its factorization.

4623840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4623840 is about 2150.3116053261. The cubic root of 4623840 is about 166.5971621299.

The spelling of 4623840 in words is "four million, six hundred twenty-three thousand, eight hundred forty".