4051938 has 48 divisors (see below), whose sum is σ = 9281376. Its totient is φ = 1169280.

The previous prime is 4051891. The next prime is 4051939. The reversal of 4051938 is 8391504.

It is not an unprimeable number, because it can be changed into a prime (4051939) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55470 + ... + 55542.

It is an arithmetic number, because the mean of its divisors is an integer number (193362).

Almost surely, 2^4051938 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4051938, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4640688).

4051938 is an abundant number, since it is smaller than the sum of its proper divisors (5229438).

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

4051938 is a wasteful number, since it uses less digits than its factorization.

4051938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 4051938 is about 2012.9426221331. The cubic root of 4051938 is about 159.4242064132.

The spelling of 4051938 in words is "four million, fifty-one thousand, nine hundred thirty-eight".