449453834 has 4 divisors (see below), whose sum is σ = 674180754. Its totient is φ = 224726916.

The previous prime is 449453819. The next prime is 449453839. The reversal of 449453834 is 438354944.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 443228809 + 6225025 = 21053^2 + 2495^2 .

It is not an unprimeable number, because it can be changed into a prime (449453839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112363457 + ... + 112363460.

Almost surely, 2^449453834 is an apocalyptic number.

449453834 is a deficient number, since it is larger than the sum of its proper divisors (224726920).

449453834 is a wasteful number, since it uses less digits than its factorization.

449453834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224726919.

The product of its digits is 829440, while the sum is 44.

The square root of 449453834 is about 21200.3262710742. The cubic root of 449453834 is about 765.9992830630. Note that the first 3 decimals are identical.

The spelling of 449453834 in words is "four hundred forty-nine million, four hundred fifty-three thousand, eight hundred thirty-four".