449439192 has 96 divisors (see below), whose sum is σ = 1289433600. Its totient is φ = 146595744.

The previous prime is 449439163. The next prime is 449439203. The reversal of 449439192 is 291934944.

It is a super-2 number, since 2×449439192² = 403991174611225728, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88909 + ... + 93827.

It is an arithmetic number, because the mean of its divisors is an integer number (13431600).

Almost surely, 2^449439192 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 449439192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (644716800).

449439192 is an abundant number, since it is smaller than the sum of its proper divisors (839994408).

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

449439192 is a wasteful number, since it uses less digits than its factorization.

449439192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4987 (or 4971 counting only the distinct ones).

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

The square root of 449439192 is about 21199.9809433877. The cubic root of 449439192 is about 765.9909649056.

The spelling of 449439192 in words is "four hundred forty-nine million, four hundred thirty-nine thousand, one hundred ninety-two".