449989822 has 16 divisors (see below), whose sum is σ = 697995792. Its totient is φ = 217451520.

The previous prime is 449989763. The next prime is 449989849. The reversal of 449989822 is 228989944.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24579 + ... + 38782.

It is an arithmetic number, because the mean of its divisors is an integer number (43624737).

Almost surely, 2^449989822 is an apocalyptic number.

449989822 is a deficient number, since it is larger than the sum of its proper divisors (248005970).

449989822 is a wasteful number, since it uses less digits than its factorization.

449989822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63483.

The product of its digits is 2985984, while the sum is 55.

The square root of 449989822 is about 21212.9635364793. The cubic root of 449989822 is about 766.3036549445.

The spelling of 449989822 in words is "four hundred forty-nine million, nine hundred eighty-nine thousand, eight hundred twenty-two".