4538938 has 16 divisors (see below), whose sum is σ = 7086240. Its totient is φ = 2178576.

The previous prime is 4538923. The next prime is 4538939. The reversal of 4538938 is 8398354.

It is a self number, because there is not a number n which added to its sum of digits gives 4538938.

It is not an unprimeable number, because it can be changed into a prime (4538939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5773 + ... + 6511.

It is an arithmetic number, because the mean of its divisors is an integer number (442890).

Almost surely, 2^4538938 is an apocalyptic number.

4538938 is a deficient number, since it is larger than the sum of its proper divisors (2547302).

4538938 is a wasteful number, since it uses less digits than its factorization.

4538938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 861.

The product of its digits is 103680, while the sum is 40.

The square root of 4538938 is about 2130.4783500425. The cubic root of 4538938 is about 165.5711823722.

It can be divided in two parts, 4538 and 938, that added together give a square (5476 = 74²).

The spelling of 4538938 in words is "four million, five hundred thirty-eight thousand, nine hundred thirty-eight".