449898994 has 4 divisors (see below), whose sum is σ = 674848494. Its totient is φ = 224949496.

The previous prime is 449898989. The next prime is 449898997. The reversal of 449898994 is 499898944.

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., 448888969 + 1010025 = 21187^2 + 1005^2 .

It is not an unprimeable number, because it can be changed into a prime (449898997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112474747 + ... + 112474750.

Almost surely, 2^449898994 is an apocalyptic number.

449898994 is a deficient number, since it is larger than the sum of its proper divisors (224949500).

449898994 is a wasteful number, since it uses less digits than its factorization.

449898994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224949499.

The product of its digits is 26873856, while the sum is 64.

The square root of 449898994 is about 21210.8225677365. The cubic root of 449898994 is about 766.2520933992.

The spelling of 449898994 in words is "four hundred forty-nine million, eight hundred ninety-eight thousand, nine hundred ninety-four".