4831440 has 80 divisors (see below), whose sum is σ = 15374016. Its totient is φ = 1254400.

The previous prime is 4831391. The next prime is 4831441. The reversal of 4831440 is 441384.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4831440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4831441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9595 + ... + 10085.

Almost surely, 2^4831440 is an apocalyptic number.

4831440 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 4831440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7687008).

4831440 is an abundant number, since it is smaller than the sum of its proper divisors (10542576).

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

4831440 is a wasteful number, since it uses less digits than its factorization.

4831440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 4831440 is about 2198.0536845127. The cubic root of 4831440 is about 169.0540307849.

The spelling of 4831440 in words is "four million, eight hundred thirty-one thousand, four hundred forty".