4039641 has 12 divisors (see below), whose sum is σ = 6023680. Its totient is φ = 2606040.

The previous prime is 4039639. The next prime is 4039661. The reversal of 4039641 is 1469304.

It is not a de Polignac number, because 4039641 - 2¹ = 4039639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4039661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6961 + ... + 7518.

Almost surely, 2^4039641 is an apocalyptic number.

It is an amenable number.

4039641 is a deficient number, since it is larger than the sum of its proper divisors (1984039).

4039641 is a wasteful number, since it uses less digits than its factorization.

4039641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14516 (or 14513 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 4039641 is about 2009.8858176523. The cubic root of 4039641 is about 159.2627671196.

The spelling of 4039641 in words is "four million, thirty-nine thousand, six hundred forty-one".