449085786 has 16 divisors (see below), whose sum is σ = 945444000. Its totient is φ = 141816528.

The previous prime is 449085781. The next prime is 449085803. The reversal of 449085786 is 687580944.

It is not an unprimeable number, because it can be changed into a prime (449085781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1969561 + ... + 1969788.

It is an arithmetic number, because the mean of its divisors is an integer number (59090250).

Almost surely, 2^449085786 is an apocalyptic number.

449085786 is an abundant number, since it is smaller than the sum of its proper divisors (496358214).

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

449085786 is a wasteful number, since it uses less digits than its factorization.

449085786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939373.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The square root of 449085786 is about 21191.6442495621. The cubic root of 449085786 is about 765.7901392298.

The spelling of 449085786 in words is "four hundred forty-nine million, eighty-five thousand, seven hundred eighty-six".