449893998 has 48 divisors (see below), whose sum is σ = 1010121840. Its totient is φ = 144623232.

The previous prime is 449893981. The next prime is 449894017. The reversal of 449893998 is 899398944.

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, 52290 + ... + 60282.

It is an arithmetic number, because the mean of its divisors is an integer number (21044205).

Almost surely, 2^449893998 is an apocalyptic number.

449893998 is an abundant number, since it is smaller than the sum of its proper divisors (560227842).

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

449893998 is a wasteful number, since it uses less digits than its factorization.

449893998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8113 (or 8110 counting only the distinct ones).

The product of its digits is 20155392, while the sum is 63.

The square root of 449893998 is about 21210.7047973423. The cubic root of 449893998 is about 766.2492570517.

The spelling of 449893998 in words is "four hundred forty-nine million, eight hundred ninety-three thousand, nine hundred ninety-eight".