449228983 has 4 divisors (see below), whose sum is σ = 513404560. Its totient is φ = 385053408.

The previous prime is 449228981. The next prime is 449228987. The reversal of 449228983 is 389822944.

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 449228983 - 2¹ = 449228981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449228981) 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, 32087778 + ... + 32087791.

It is an arithmetic number, because the mean of its divisors is an integer number (128351140).

Almost surely, 2^449228983 is an apocalyptic number.

449228983 is a deficient number, since it is larger than the sum of its proper divisors (64175577).

449228983 is an equidigital number, since it uses as much as digits as its factorization.

449228983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64175576.

The product of its digits is 995328, while the sum is 49.

The square root of 449228983 is about 21195.0225996577. The cubic root of 449228983 is about 765.8715247176.

The spelling of 449228983 in words is "four hundred forty-nine million, two hundred twenty-eight thousand, nine hundred eighty-three".