441604447 has 4 divisors (see below), whose sum is σ = 443584960. Its totient is φ = 439623936.

The previous prime is 441604411. The next prime is 441604469. The reversal of 441604447 is 744406144.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-441604447 is a prime.

It is a super-2 number, since 2×441604447² = 390028975220351618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441604487) 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, 989922 + ... + 990367.

It is an arithmetic number, because the mean of its divisors is an integer number (110896240).

Almost surely, 2^441604447 is an apocalyptic number.

441604447 is a deficient number, since it is larger than the sum of its proper divisors (1980513).

441604447 is a wasteful number, since it uses less digits than its factorization.

441604447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1980512.

The product of its (nonzero) digits is 43008, while the sum is 34.

The square root of 441604447 is about 21014.3866672335. The cubic root of 441604447 is about 761.5138609669.

The spelling of 441604447 in words is "four hundred forty-one million, six hundred four thousand, four hundred forty-seven".