449013994 has 32 divisors (see below), whose sum is σ = 792892800. Its totient is φ = 188011200.

The previous prime is 449013991. The next prime is 449014019. The reversal of 449013994 is 499310944.

It is a happy number.

It is a super-2 number, since 2×449013994² = 403227133615664072, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 449013994.

It is not an unprimeable number, because it can be changed into a prime (449013991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170004 + ... + 172624.

It is an arithmetic number, because the mean of its divisors is an integer number (24777900).

Almost surely, 2^449013994 is an apocalyptic number.

449013994 is a deficient number, since it is larger than the sum of its proper divisors (343878806).

449013994 is a wasteful number, since it uses less digits than its factorization.

449013994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246.

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 449013994 is about 21189.9503066902. The cubic root of 449013994 is about 765.7493299997.

The spelling of 449013994 in words is "four hundred forty-nine million, thirteen thousand, nine hundred ninety-four".