449293194 has 24 divisors (see below), whose sum is σ = 1112535840. Its totient is φ = 128369448.

The previous prime is 449293139. The next prime is 449293213. The reversal of 449293194 is 491392944.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1782784 + ... + 1783035.

It is an arithmetic number, because the mean of its divisors is an integer number (46355660).

Almost surely, 2^449293194 is an apocalyptic number.

449293194 is an abundant number, since it is smaller than the sum of its proper divisors (663242646).

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

449293194 is a wasteful number, since it uses less digits than its factorization.

449293194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3565834 (or 3565831 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 449293194 is about 21196.5373115516. The cubic root of 449293194 is about 765.9080131867.

The spelling of 449293194 in words is "four hundred forty-nine million, two hundred ninety-three thousand, one hundred ninety-four".