4031642 has 16 divisors (see below), whose sum is σ = 6199200. Its totient is φ = 1966032.

The previous prime is 4031641. The next prime is 4031681. The reversal of 4031642 is 2461304.

It is a happy number.

4031642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4031641) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 24653 + ... + 24815.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 2^4031642 is an apocalyptic number.

4031642 is a deficient number, since it is larger than the sum of its proper divisors (2167558).

4031642 is a wasteful number, since it uses less digits than its factorization.

4031642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4031642 is about 2007.8949175691. The cubic root of 4031642 is about 159.1575775201.

Adding to 4031642 its reverse (2461304), we get a palindrome (6492946).

The spelling of 4031642 in words is "four million, thirty-one thousand, six hundred forty-two".