449025987 has 8 divisors (see below), whose sum is σ = 624731904. Its totient is φ = 286335368.

The previous prime is 449025943. The next prime is 449025989. The reversal of 449025987 is 789520944.

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 449025987 - 2⁶ = 449025923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (449025989) 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, 3253743 + ... + 3253880.

It is an arithmetic number, because the mean of its divisors is an integer number (78091488).

Almost surely, 2^449025987 is an apocalyptic number.

449025987 is a deficient number, since it is larger than the sum of its proper divisors (175705917).

449025987 is a wasteful number, since it uses less digits than its factorization.

449025987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6507649.

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 449025987 is about 21190.2332927224. The cubic root of 449025987 is about 765.7561475674.

The spelling of 449025987 in words is "four hundred forty-nine million, twenty-five thousand, nine hundred eighty-seven".