449970393 has 8 divisors (see below), whose sum is σ = 600062848. Its totient is φ = 299929104.

The previous prime is 449970373. The next prime is 449970397. The reversal of 449970393 is 393079944.

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

It is not a de Polignac number, because 449970393 - 2⁹ = 449969881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (449970397) 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, 19071 + ... + 35547.

It is an arithmetic number, because the mean of its divisors is an integer number (75007856).

Almost surely, 2^449970393 is an apocalyptic number.

It is an amenable number.

449970393 is a deficient number, since it is larger than the sum of its proper divisors (150092455).

449970393 is a wasteful number, since it uses less digits than its factorization.

449970393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25583.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 449970393 is about 21212.5055804353. The cubic root of 449970393 is about 766.2926260077.

The spelling of 449970393 in words is "four hundred forty-nine million, nine hundred seventy thousand, three hundred ninety-three".