449253786 has 8 divisors (see below), whose sum is σ = 898507584. Its totient is φ = 149751260.

The previous prime is 449253751. The next prime is 449253853. The reversal of 449253786 is 687352944.

It is a sphenic number, since it is the product of 3 distinct primes.

449253786 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37437810 + ... + 37437821.

It is an arithmetic number, because the mean of its divisors is an integer number (112313448).

Almost surely, 2^449253786 is an apocalyptic number.

449253786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

449253786 is a wasteful number, since it uses less digits than its factorization.

449253786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74875636.

The product of its digits is 1451520, while the sum is 48.

The square root of 449253786 is about 21195.6077053714. The cubic root of 449253786 is about 765.8856196540.

The spelling of 449253786 in words is "four hundred forty-nine million, two hundred fifty-three thousand, seven hundred eighty-six".