448183947 has 4 divisors (see below), whose sum is σ = 597578600. Its totient is φ = 298789296.

The previous prime is 448183943. The next prime is 448183949. The reversal of 448183947 is 749381844.

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

It is not a de Polignac number, because 448183947 - 2² = 448183943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 448183896 and 448183905.

It is not an unprimeable number, because it can be changed into a prime (448183943) 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, 74697322 + ... + 74697327.

It is an arithmetic number, because the mean of its divisors is an integer number (149394650).

Almost surely, 2^448183947 is an apocalyptic number.

448183947 is a deficient number, since it is larger than the sum of its proper divisors (149394653).

448183947 is a wasteful number, since it uses less digits than its factorization.

448183947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149394652.

The product of its digits is 774144, while the sum is 48.

The square root of 448183947 is about 21170.3553819958. The cubic root of 448183947 is about 765.2771843600.

The spelling of 448183947 in words is "four hundred forty-eight million, one hundred eighty-three thousand, nine hundred forty-seven".