449436447 has 24 divisors (see below), whose sum is σ = 667895904. Its totient is φ = 291017664.

The previous prime is 449436443. The next prime is 449436467. The reversal of 449436447 is 744634944.

It is not a de Polignac number, because 449436447 - 2² = 449436443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449436443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326653 + ... + 328025.

It is an arithmetic number, because the mean of its divisors is an integer number (27828996).

Almost surely, 2^449436447 is an apocalyptic number.

449436447 is a deficient number, since it is larger than the sum of its proper divisors (218459457).

449436447 is a wasteful number, since it uses less digits than its factorization.

449436447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399 (or 2396 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The square root of 449436447 is about 21199.9162026646. The cubic root of 449436447 is about 765.9894054440.

The spelling of 449436447 in words is "four hundred forty-nine million, four hundred thirty-six thousand, four hundred forty-seven".