449256863 has 8 divisors (see below), whose sum is σ = 491965056. Its totient is φ = 406859800.

The previous prime is 449256859. The next prime is 449256877. The reversal of 449256863 is 368652944.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 449256863 - 2² = 449256859 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449256823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74753 + ... + 80538.

It is an arithmetic number, because the mean of its divisors is an integer number (61495632).

Almost surely, 2^449256863 is an apocalyptic number.

449256863 is a deficient number, since it is larger than the sum of its proper divisors (42708193).

449256863 is a wasteful number, since it uses less digits than its factorization.

449256863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155565.

The product of its digits is 1244160, while the sum is 47.

The square root of 449256863 is about 21195.6802910404. The cubic root of 449256863 is about 765.8873682014.

The spelling of 449256863 in words is "four hundred forty-nine million, two hundred fifty-six thousand, eight hundred sixty-three".