900449 has 8 divisors (see below), whose sum is σ = 992640. Its totient is φ = 810000.

The previous prime is 900443. The next prime is 900461. The reversal of 900449 is 944009.

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 900449 - 2¹² = 896353 is a prime.

It is a plaindrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 900449.

It is not an unprimeable number, because it can be changed into a prime (900443) 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, 824 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (124080).

2⁹⁰⁰⁴⁴⁹ is an apocalyptic number.

It is an amenable number.

900449 is a deficient number, since it is larger than the sum of its proper divisors (92191).

900449 is a wasteful number, since it uses less digits than its factorization.

900449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 900449 is about 948.9199123214. The cubic root of 900449 is about 96.5649915222.

The spelling of 900449 in words is "nine hundred thousand, four hundred forty-nine".