449395902 has 24 divisors (see below), whose sum is σ = 1005101760. Its totient is φ = 144966240.

The previous prime is 449395823. The next prime is 449395909. The reversal of 449395902 is 209593944.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449395909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 402127 + ... + 403242.

It is an arithmetic number, because the mean of its divisors is an integer number (41879240).

Almost surely, 2^449395902 is an apocalyptic number.

449395902 is an abundant number, since it is smaller than the sum of its proper divisors (555705858).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

449395902 is a wasteful number, since it uses less digits than its factorization.

449395902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805408 (or 805405 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The square root of 449395902 is about 21198.9599273172. The cubic root of 449395902 is about 765.9663706897.

The spelling of 449395902 in words is "four hundred forty-nine million, three hundred ninety-five thousand, nine hundred two".