449911386 has 24 divisors (see below), whose sum is σ = 975218400. Its totient is φ = 149907336.

The previous prime is 449911381. The next prime is 449911471. The reversal of 449911386 is 683119944.

It is not an unprimeable number, because it can be changed into a prime (449911381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61765 + ... + 68663.

It is an arithmetic number, because the mean of its divisors is an integer number (40634100).

Almost surely, 2^449911386 is an apocalyptic number.

449911386 is an abundant number, since it is smaller than the sum of its proper divisors (525307014).

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

449911386 is a wasteful number, since it uses less digits than its factorization.

449911386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10530 (or 10527 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 449911386 is about 21211.1146807517. The cubic root of 449911386 is about 766.2591285403.

The spelling of 449911386 in words is "four hundred forty-nine million, nine hundred eleven thousand, three hundred eighty-six".