4817440 has 24 divisors (see below), whose sum is σ = 11381580. Its totient is φ = 1926912.

The previous prime is 4817411. The next prime is 4817441. The reversal of 4817440 is 447184.

It can be written as a sum of positive squares in 2 ways, for example, as 4717584 + 99856 = 2172^2 + 316^2 .

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4817399 and 4817408.

It is not an unprimeable number, because it can be changed into a prime (4817441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14895 + ... + 15214.

Almost surely, 2^4817440 is an apocalyptic number.

4817440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4817440 is an abundant number, since it is smaller than the sum of its proper divisors (6564140).

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

4817440 is a wasteful number, since it uses less digits than its factorization.

4817440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30124 (or 30116 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 4817440 is about 2194.8667385516. The cubic root of 4817440 is about 168.8905842653.

It can be divided in two parts, 481 and 7440, that added together give a square (7921 = 89²).

The spelling of 4817440 in words is "four million, eight hundred seventeen thousand, four hundred forty".