441621201 has 8 divisors (see below), whose sum is σ = 672946624. Its totient is φ = 252354960.

The previous prime is 441621157. The next prime is 441621221. The reversal of 441621201 is 102126144.

It is a happy number.

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

It is not a de Polignac number, because 441621201 - 2⁷ = 441621073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 21029581 = 441621201 / (4 + 4 + 1 + 6 + 2 + 1 + 2 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (441621221) 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, 10514770 + ... + 10514811.

It is an arithmetic number, because the mean of its divisors is an integer number (84118328).

Almost surely, 2^441621201 is an apocalyptic number.

It is an amenable number.

441621201 is a deficient number, since it is larger than the sum of its proper divisors (231325423).

441621201 is a wasteful number, since it uses less digits than its factorization.

441621201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21029591.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 441621201 is about 21014.7852951202. The cubic root of 441621201 is about 761.5234911854.

Adding to 441621201 its reverse (102126144), we get a palindrome (543747345).

The spelling of 441621201 in words is "four hundred forty-one million, six hundred twenty-one thousand, two hundred one".