441538947 has 12 divisors (see below), whose sum is σ = 638951560. Its totient is φ = 293817888.

The previous prime is 441538931. The next prime is 441538997. The reversal of 441538947 is 749835144.

It is not a de Polignac number, because 441538947 - 2⁴ = 441538931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441538927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39922 + ... + 49767.

Almost surely, 2^441538947 is an apocalyptic number.

441538947 is a deficient number, since it is larger than the sum of its proper divisors (197412613).

441538947 is a wasteful number, since it uses less digits than its factorization.

441538947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90242 (or 90239 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 441538947 is about 21012.8281532972. The cubic root of 441538947 is about 761.4762091539.

The spelling of 441538947 in words is "four hundred forty-one million, five hundred thirty-eight thousand, nine hundred forty-seven".