441847947 has 4 divisors (see below), whose sum is σ = 589130600. Its totient is φ = 294565296.

The previous prime is 441847921. The next prime is 441847957. The reversal of 441847947 is 749748144.

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

It is not a de Polignac number, because 441847947 - 2⁸ = 441847691 is a prime.

It is a super-2 number, since 2×441847947² = 390459216536229618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 441847896 and 441847905.

It is not an unprimeable number, because it can be changed into a prime (441847957) 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, 73641322 + ... + 73641327.

It is an arithmetic number, because the mean of its divisors is an integer number (147282650).

Almost surely, 2^441847947 is an apocalyptic number.

441847947 is a deficient number, since it is larger than the sum of its proper divisors (147282653).

441847947 is a wasteful number, since it uses less digits than its factorization.

441847947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147282652.

The product of its digits is 903168, while the sum is 48.

The square root of 441847947 is about 21020.1795187387. The cubic root of 441847947 is about 761.6538010990.

The spelling of 441847947 in words is "four hundred forty-one million, eight hundred forty-seven thousand, nine hundred forty-seven".