449434737 has 20 divisors (see below), whose sum is σ = 672014640. Its totient is φ = 299339064.

The previous prime is 449434723. The next prime is 449434841. The reversal of 449434737 is 737434944.

It is not a de Polignac number, because 449434737 - 2⁶ = 449434673 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 449434692 and 449434701.

It is not an unprimeable number, because it can be changed into a prime (449434537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 116278 + ... + 120080.

It is an arithmetic number, because the mean of its divisors is an integer number (33600732).

Almost surely, 2^449434737 is an apocalyptic number.

It is an amenable number.

449434737 is a deficient number, since it is larger than the sum of its proper divisors (222579903).

449434737 is a wasteful number, since it uses less digits than its factorization.

449434737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5274 (or 5265 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The square root of 449434737 is about 21199.8758722781. The cubic root of 449434737 is about 765.9884339729.

The spelling of 449434737 in words is "four hundred forty-nine million, four hundred thirty-four thousand, seven hundred thirty-seven".