4328140 has 36 divisors (see below), whose sum is σ = 9583056. Its totient is φ = 1638912.

The previous prime is 4328123. The next prime is 4328147. The reversal of 4328140 is 418234.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4³ + 3⁷ + 2¹⁷ + 8³ + 1 + 4¹¹ + 0 .

It is not an unprimeable number, because it can be changed into a prime (4328147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44572 + ... + 44668.

It is an arithmetic number, because the mean of its divisors is an integer number (266196).

Almost surely, 2^4328140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4328140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4791528).

4328140 is an abundant number, since it is smaller than the sum of its proper divisors (5254916).

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

4328140 is a wasteful number, since it uses less digits than its factorization.

4328140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4328140 is about 2080.4182271841. The cubic root of 4328140 is about 162.9672861444.

The spelling of 4328140 in words is "four million, three hundred twenty-eight thousand, one hundred forty".