4101621 has 8 divisors (see below), whose sum is σ = 5561760. Its totient is φ = 2687952.

The previous prime is 4101593. The next prime is 4101623. The reversal of 4101621 is 1261014.

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

It is not a de Polignac number, because 4101621 - 2¹⁰ = 4100597 is a prime.

It is an Ulam number.

It is a Curzon number.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 4101621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11410 + ... + 11763.

It is an arithmetic number, because the mean of its divisors is an integer number (695220).

Almost surely, 2^4101621 is an apocalyptic number.

It is an amenable number.

4101621 is a deficient number, since it is larger than the sum of its proper divisors (1460139).

4101621 is a wasteful number, since it uses less digits than its factorization.

4101621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23235.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 4101621 is about 2025.2459109945. The cubic root of 4101621 is about 160.0731566497.

Adding to 4101621 its reverse (1261014), we get a palindrome (5362635).

The spelling of 4101621 in words is "four million, one hundred one thousand, six hundred twenty-one".