4473840 has 80 divisors (see below), whose sum is σ = 15856128. Its totient is φ = 1022208.

The previous prime is 4473811. The next prime is 4473853. The reversal of 4473840 is 483744.

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 (30).

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 4⁹ + 7⁵ + 3² + 8³ + 4¹¹ + 0 .

It is a junction number, because it is equal to n+sod(n) for n = 4473798 and 4473807.

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, 349 + ... + 3011.

Almost surely, 2^4473840 is an apocalyptic number.

4473840 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 4473840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7928064).

4473840 is an abundant number, since it is smaller than the sum of its proper divisors (11382288).

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

4473840 is a wasteful number, since it uses less digits than its factorization.

4473840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2686 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 4473840 is about 2115.1453850740. The cubic root of 4473840 is about 164.7758204385.

The spelling of 4473840 in words is "four million, four hundred seventy-three thousand, eight hundred forty".