4538380 has 72 divisors (see below), whose sum is σ = 12123216. Its totient is φ = 1411200.

The previous prime is 4538333. The next prime is 4538407. The reversal of 4538380 is 838354.

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, 10570 + ... + 10990.

It is an arithmetic number, because the mean of its divisors is an integer number (168378).

Almost surely, 2^4538380 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 4538380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6061608).

4538380 is an abundant number, since it is smaller than the sum of its proper divisors (7584836).

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

4538380 is a wasteful number, since it uses less digits than its factorization.

4538380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 446 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4538380 is about 2130.3473895119. The cubic root of 4538380 is about 165.5643971942.

The spelling of 4538380 in words is "four million, five hundred thirty-eight thousand, three hundred eighty".