449401698 has 24 divisors (see below), whose sum is σ = 1030981068. Its totient is φ = 140988672.

The previous prime is 449401663. The next prime is 449401703. The reversal of 449401698 is 896104944.

449401698 is a `hidden beast` number, since 449 + 40 + 169 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 437102649 + 12299049 = 20907^2 + 3507^2 .

It is a Curzon number.

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, 734011 + ... + 734622.

Almost surely, 2^449401698 is an apocalyptic number.

449401698 is an abundant number, since it is smaller than the sum of its proper divisors (581579370).

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

449401698 is a wasteful number, since it uses less digits than its factorization.

449401698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468658 (or 1468655 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 449401698 is about 21199.0966316964. The cubic root of 449401698 is about 765.9696636451.

The spelling of 449401698 in words is "four hundred forty-nine million, four hundred one thousand, six hundred ninety-eight".