441460721 has 8 divisors (see below), whose sum is σ = 483213864. Its totient is φ = 400821120.

The previous prime is 441460703. The next prime is 441460759. The reversal of 441460721 is 127064144.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 41460721 + 400000000 = 6439^2 + 20000^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441460721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441460771) 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, 277556 + ... + 279141.

It is an arithmetic number, because the mean of its divisors is an integer number (60401733).

Almost surely, 2^441460721 is an apocalyptic number.

It is an amenable number.

441460721 is a deficient number, since it is larger than the sum of its proper divisors (41753143).

441460721 is a wasteful number, since it uses less digits than its factorization.

441460721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556771.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 441460721 is about 21010.9666840914. The cubic root of 441460721 is about 761.4312370879.

It can be divided in two parts, 4 and 41460721, that multiplied together give a square (165842884 = 12878²).

The spelling of 441460721 in words is "four hundred forty-one million, four hundred sixty thousand, seven hundred twenty-one".