449397213 has 8 divisors (see below), whose sum is σ = 599311776. Its totient is φ = 299540400.

The previous prime is 449397199. The next prime is 449397233. The reversal of 449397213 is 312793944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 449397213 - 2⁵ = 449397181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449397233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9298 + ... + 31388.

It is an arithmetic number, because the mean of its divisors is an integer number (74913972).

Almost surely, 2^449397213 is an apocalyptic number.

It is an amenable number.

449397213 is a deficient number, since it is larger than the sum of its proper divisors (149914563).

449397213 is a wasteful number, since it uses less digits than its factorization.

449397213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28875.

The product of its digits is 163296, while the sum is 42.

The square root of 449397213 is about 21198.9908486230. The cubic root of 449397213 is about 765.9671155273.

The spelling of 449397213 in words is "four hundred forty-nine million, three hundred ninety-seven thousand, two hundred thirteen".