4038868 has 18 divisors (see below), whose sum is σ = 7462266. Its totient is φ = 1912464.

The previous prime is 4038857. The next prime is 4038893. The reversal of 4038868 is 8688304.

4038868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3755844 + 283024 = 1938^2 + 532^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 46 + ... + 2842.

Almost surely, 2^4038868 is an apocalyptic number.

It is an amenable number.

4038868 is a deficient number, since it is larger than the sum of its proper divisors (3423398).

4038868 is a wasteful number, since it uses less digits than its factorization.

4038868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839 (or 2818 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 4038868 is about 2009.6935089710. The cubic root of 4038868 is about 159.2526079683.

Subtracting from 4038868 its product of nonzero digits (36864), we obtain a palindrome (4002004).

The spelling of 4038868 in words is "four million, thirty-eight thousand, eight hundred sixty-eight".