449274836 has 24 divisors (see below), whose sum is σ = 846864480. Its totient is φ = 207863712.

The previous prime is 449274823. The next prime is 449274853. The reversal of 449274836 is 638472944.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65471 + ... + 72006.

It is an arithmetic number, because the mean of its divisors is an integer number (35286020).

Almost surely, 2^449274836 is an apocalyptic number.

It is an amenable number.

449274836 is a deficient number, since it is larger than the sum of its proper divisors (397589644).

449274836 is a wasteful number, since it uses less digits than its factorization.

449274836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137543 (or 137541 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 449274836 is about 21196.1042646992. The cubic root of 449274836 is about 765.8975814456.

The spelling of 449274836 in words is "four hundred forty-nine million, two hundred seventy-four thousand, eight hundred thirty-six".