4027641 has 4 divisors (see below), whose sum is σ = 5370192. Its totient is φ = 2685092.

The previous prime is 4027631. The next prime is 4027643. The reversal of 4027641 is 1467204.

4027641 is nontrivially palindromic in base 11.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4027641 - 2⁹ = 4027129 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (4027643) 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, 671271 + ... + 671276.

It is an arithmetic number, because the mean of its divisors is an integer number (1342548).

Almost surely, 2^4027641 is an apocalyptic number.

It is an amenable number.

4027641 is a deficient number, since it is larger than the sum of its proper divisors (1342551).

4027641 is a wasteful number, since it uses less digits than its factorization.

4027641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342550.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4027641 is about 2006.8983531808. The cubic root of 4027641 is about 159.1049107875.

The spelling of 4027641 in words is "four million, twenty-seven thousand, six hundred forty-one".