449387798 has 16 divisors (see below), whose sum is σ = 691138224. Its totient is φ = 219018240.

The previous prime is 449387747. The next prime is 449387803. The reversal of 449387798 is 897783944.

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, 141686 + ... + 144822.

It is an arithmetic number, because the mean of its divisors is an integer number (43196139).

Almost surely, 2^449387798 is an apocalyptic number.

449387798 is a deficient number, since it is larger than the sum of its proper divisors (241750426).

449387798 is a wasteful number, since it uses less digits than its factorization.

449387798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927.

The product of its digits is 12192768, while the sum is 59.

The square root of 449387798 is about 21198.7687850026. The cubic root of 449387798 is about 765.9617664133.

The spelling of 449387798 in words is "four hundred forty-nine million, three hundred eighty-seven thousand, seven hundred ninety-eight".