4923840 has 112 divisors (see below), whose sum is σ = 16386048. Its totient is φ = 1250304.

The previous prime is 4923839. The next prime is 4923883. The reversal of 4923840 is 483294.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4923798 and 4923807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21969 + ... + 22191.

It is an arithmetic number, because the mean of its divisors is an integer number (146304).

Almost surely, 2^4923840 is an apocalyptic number.

4923840 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 4923840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8193024).

4923840 is an abundant number, since it is smaller than the sum of its proper divisors (11462208).

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

4923840 is a wasteful number, since it uses less digits than its factorization.

4923840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 4923840 is about 2218.9727352989. The cubic root of 4923840 is about 170.1249369934.

The spelling of 4923840 in words is "four million, nine hundred twenty-three thousand, eight hundred forty".