4321641 has 8 divisors (see below), whose sum is σ = 5821984. Its totient is φ = 2851200.

The previous prime is 4321633. The next prime is 4321643. The reversal of 4321641 is 1461234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4321641 - 2³ = 4321633 is a prime.

It is a super-3 number, since 3×4321641³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

4321641 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4321643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7135 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (727748).

Almost surely, 2^4321641 is an apocalyptic number.

It is an amenable number.

4321641 is a deficient number, since it is larger than the sum of its proper divisors (1500343).

4321641 is a wasteful number, since it uses less digits than its factorization.

4321641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14951.

The product of its digits is 576, while the sum is 21.

The square root of 4321641 is about 2078.8556948475. The cubic root of 4321641 is about 162.8856764189.

Adding to 4321641 its reverse (1461234), we get a palindrome (5782875).

The spelling of 4321641 in words is "four million, three hundred twenty-one thousand, six hundred forty-one".