4392061938 has 48 divisors (see below), whose sum is σ = 10390363776. Its totient is φ = 1329757920.

The previous prime is 4392061931. The next prime is 4392061997. The reversal of 4392061938 is 8391602934.

It is a happy number.

4392061938 is a `hidden beast` number, since 4 + 3 + 9 + 20 + 619 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4392061893 and 4392061902.

It is not an unprimeable number, because it can be changed into a prime (4392061931) 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, 231031 + ... + 249317.

It is an arithmetic number, because the mean of its divisors is an integer number (216465912).

Almost surely, 2^4392061938 is an apocalyptic number.

4392061938 is an abundant number, since it is smaller than the sum of its proper divisors (5998301838).

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

4392061938 is a wasteful number, since it uses less digits than its factorization.

4392061938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19519 (or 19516 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 4392061938 is about 66272.6334017293. The cubic root of 4392061938 is about 1637.6565202677.

It can be divided in two parts, 439206 and 1938, that added together give a palindrome (441144).

The spelling of 4392061938 in words is "four billion, three hundred ninety-two million, sixty-one thousand, nine hundred thirty-eight".