4031679 has 4 divisors (see below), whose sum is σ = 5375576. Its totient is φ = 2687784.

The previous prime is 4031641. The next prime is 4031681. The reversal of 4031679 is 9761304.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4031679 - 2¹¹ = 4029631 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671944 + ... + 671949.

It is an arithmetic number, because the mean of its divisors is an integer number (1343894).

Almost surely, 2^4031679 is an apocalyptic number.

4031679 is a deficient number, since it is larger than the sum of its proper divisors (1343897).

4031679 is a wasteful number, since it uses less digits than its factorization.

4031679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343896.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 4031679 is about 2007.9041311776. The cubic root of 4031679 is about 159.1580644030.

The spelling of 4031679 in words is "four million, thirty-one thousand, six hundred seventy-nine".