449782039 has 16 divisors (see below), whose sum is σ = 547900416. Its totient is φ = 360432000.

The previous prime is 449782031. The next prime is 449782049. The reversal of 449782039 is 930287944.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 449782039 - 2³ = 449782031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 449782039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449782031) 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, 5454 + ... + 30484.

It is an arithmetic number, because the mean of its divisors is an integer number (34243776).

Almost surely, 2^449782039 is an apocalyptic number.

449782039 is a deficient number, since it is larger than the sum of its proper divisors (98118377).

449782039 is a wasteful number, since it uses less digits than its factorization.

449782039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25206.

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 449782039 is about 21208.0654233242. The cubic root of 449782039 is about 766.1856897682.

The spelling of 449782039 in words is "four hundred forty-nine million, seven hundred eighty-two thousand, thirty-nine".