449347356 has 144 divisors (see below), whose sum is σ = 1222760448. Its totient is φ = 138902400.

The previous prime is 449347337. The next prime is 449347369. The reversal of 449347356 is 653743944.

449347356 is a `hidden beast` number, since 44 + 93 + 473 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4199455 + ... + 4199561.

It is an arithmetic number, because the mean of its divisors is an integer number (8491392).

Almost surely, 2^449347356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 449347356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (611380224).

449347356 is an abundant number, since it is smaller than the sum of its proper divisors (773413092).

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

449347356 is a wasteful number, since it uses less digits than its factorization.

449347356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 267 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 45.

The square root of 449347356 is about 21197.8148873887. The cubic root of 449347356 is about 765.9387885197.

The spelling of 449347356 in words is "four hundred forty-nine million, three hundred forty-seven thousand, three hundred fifty-six".