448450859 has 4 divisors (see below), whose sum is σ = 451874280. Its totient is φ = 445027440.

The previous prime is 448450853. The next prime is 448450883. The reversal of 448450859 is 958054844.

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

It is a cyclic number.

It is not a de Polignac number, because 448450859 - 2¹² = 448446763 is a prime.

It is a super-2 number, since 2×448450859² = 402216345875675762, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448450853) 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, 1711514 + ... + 1711775.

It is an arithmetic number, because the mean of its divisors is an integer number (112968570).

Almost surely, 2^448450859 is an apocalyptic number.

448450859 is a deficient number, since it is larger than the sum of its proper divisors (3423421).

448450859 is a wasteful number, since it uses less digits than its factorization.

448450859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3423420.

The product of its (nonzero) digits is 921600, while the sum is 47.

The square root of 448450859 is about 21176.6583530074. The cubic root of 448450859 is about 765.4290722398.

The spelling of 448450859 in words is "four hundred forty-eight million, four hundred fifty thousand, eight hundred fifty-nine".