4029641 has 16 divisors (see below), whose sum is σ = 5114880. Its totient is φ = 3083280.

The previous prime is 4029631. The next prime is 4029661. The reversal of 4029641 is 1469204.

It is a cyclic number.

It is not a de Polignac number, because 4029641 - 2¹⁸ = 3767497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4029641.

It is not an unprimeable number, because it can be changed into a prime (4029611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4100 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

Almost surely, 2^4029641 is an apocalyptic number.

It is an amenable number.

4029641 is a deficient number, since it is larger than the sum of its proper divisors (1085239).

4029641 is a wasteful number, since it uses less digits than its factorization.

4029641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 4029641 is about 2007.3965726782. The cubic root of 4029641 is about 159.1312419298.

The spelling of 4029641 in words is "four million, twenty-nine thousand, six hundred forty-one".