447238995 has 16 divisors (see below), whose sum is σ = 817808640.
Its totient is φ = 204452064.
The previous prime is 447238993. The next prime is 447238997. The reversal of 447238995 is 599832744.
It is an interprime number because it is at equal distance from previous prime (447238993) and next prime (447238997).
It is not a de Polignac number, because 447238995 - 21 = 447238993 is a prime.
It is a super-2 number, since 2×4472389952 = 400045437297220050, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (447238991) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2129605 + ... + 2129814.
It is an arithmetic number, because the mean of its divisors is an integer number (51113040).
Almost surely, 2447238995 is an apocalyptic number.
447238995 is a deficient number, since it is larger than the sum of its proper divisors (370569645).
447238995 is a wasteful number, since it uses less digits than its factorization.
447238995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4259434.
The product of its digits is 2177280, while the sum is 51.
The square root of 447238995 is about 21148.0257943856.
The cubic root of 447238995 is about 764.7389685690.
The spelling of 447238995 in words is "four hundred forty-seven million, two hundred thirty-eight thousand, nine hundred ninety-five".