4879440 has 120 divisors (see below), whose sum is σ = 17061408. Its totient is φ = 1296000.

The previous prime is 4879429. The next prime is 4879471. The reversal of 4879440 is 449784.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4879395 and 4879404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19315 + ... + 19565.

Almost surely, 2^4879440 is an apocalyptic number.

4879440 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 4879440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8530704).

4879440 is an abundant number, since it is smaller than the sum of its proper divisors (12181968).

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

4879440 is a wasteful number, since it uses less digits than its factorization.

4879440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 4879440 is about 2208.9454497565. The cubic root of 4879440 is about 169.6120333814.

The spelling of 4879440 in words is "four million, eight hundred seventy-nine thousand, four hundred forty".