449996687 has 8 divisors (see below), whose sum is σ = 518332416. Its totient is φ = 382673592.

The previous prime is 449996653. The next prime is 449996693. The reversal of 449996687 is 786699944.

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

It is not a de Polignac number, because 449996687 - 2⁸ = 449996431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (449992687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252203 + ... + 253980.

It is an arithmetic number, because the mean of its divisors is an integer number (64791552).

Almost surely, 2^449996687 is an apocalyptic number.

449996687 is a deficient number, since it is larger than the sum of its proper divisors (68335729).

449996687 is a wasteful number, since it uses less digits than its factorization.

449996687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506317.

The product of its digits is 23514624, while the sum is 62.

The square root of 449996687 is about 21213.1253472938. The cubic root of 449996687 is about 766.3075518088.

The spelling of 449996687 in words is "four hundred forty-nine million, nine hundred ninety-six thousand, six hundred eighty-seven".