4380138 has 24 divisors (see below), whose sum is σ = 10846368. Its totient is φ = 1251432.

The previous prime is 4380137. The next prime is 4380151. The reversal of 4380138 is 8310834.

It is not an unprimeable number, because it can be changed into a prime (4380133) 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, 17256 + ... + 17507.

It is an arithmetic number, because the mean of its divisors is an integer number (451932).

Almost surely, 2^4380138 is an apocalyptic number.

4380138 is an abundant number, since it is smaller than the sum of its proper divisors (6466230).

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

4380138 is a wasteful number, since it uses less digits than its factorization.

4380138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34778 (or 34775 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 4380138 is about 2092.8779228612. The cubic root of 4380138 is about 163.6173161331.

The spelling of 4380138 in words is "four million, three hundred eighty thousand, one hundred thirty-eight".