4839440 has 20 divisors (see below), whose sum is σ = 11251884. Its totient is φ = 1935744.

The previous prime is 4839437. The next prime is 4839469. The reversal of 4839440 is 449384.

It can be written as a sum of positive squares in 2 ways, for example, as 3211264 + 1628176 = 1792^2 + 1276^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 4839397 and 4839406.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30167 + ... + 30326.

Almost surely, 2^4839440 is an apocalyptic number.

4839440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4839440 is an abundant number, since it is smaller than the sum of its proper divisors (6412444).

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

4839440 is a wasteful number, since it uses less digits than its factorization.

4839440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60506 (or 60500 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 4839440 is about 2199.8727235911. The cubic root of 4839440 is about 169.1472870722.

The spelling of 4839440 in words is "four million, eight hundred thirty-nine thousand, four hundred forty".