4033641 has 16 divisors (see below), whose sum is σ = 5745600. Its totient is φ = 2508288.

The previous prime is 4033633. The next prime is 4033649. The reversal of 4033641 is 1463304.

It is an interprime number because it is at equal distance from previous prime (4033633) and next prime (4033649).

It is not a de Polignac number, because 4033641 - 2³ = 4033633 is a prime.

4033641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4033649) 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, 6805 + ... + 7373.

It is an arithmetic number, because the mean of its divisors is an integer number (359100).

Almost surely, 2^4033641 is an apocalyptic number.

It is an amenable number.

4033641 is a deficient number, since it is larger than the sum of its proper divisors (1711959).

4033641 is a wasteful number, since it uses less digits than its factorization.

4033641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 4033641 is about 2008.3926408947. The cubic root of 4033641 is about 159.1838780885.

Adding to 4033641 its reverse (1463304), we get a palindrome (5496945).

The spelling of 4033641 in words is "four million, thirty-three thousand, six hundred forty-one".