4038906 has 32 divisors (see below), whose sum is σ = 8640000. Its totient is φ = 1254960.

The previous prime is 4038899. The next prime is 4038907. The reversal of 4038906 is 6098304.

It is not an unprimeable number, because it can be changed into a prime (4038907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7845 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (270000).

Almost surely, 2^4038906 is an apocalyptic number.

4038906 is an abundant number, since it is smaller than the sum of its proper divisors (4601094).

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

4038906 is a wasteful number, since it uses less digits than its factorization.

4038906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 4038906 is about 2009.7029631266. The cubic root of 4038906 is about 159.2531074135.

The spelling of 4038906 in words is "four million, thirty-eight thousand, nine hundred six".