285067449 has 6 divisors (see below), whose sum is σ = 411764106. Its totient is φ = 190044960.

The previous prime is 285067429. The next prime is 285067459. The reversal of 285067449 is 944760582.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 166410000 + 118657449 = 12900^2 + 10893^2 .

It is not a de Polignac number, because 285067449 - 2⁵ = 285067417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (285067429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15837072 + ... + 15837089.

It is an arithmetic number, because the mean of its divisors is an integer number (68627351).

Almost surely, 2^285067449 is an apocalyptic number.

It is an amenable number.

285067449 is a deficient number, since it is larger than the sum of its proper divisors (126696657).

285067449 is a wasteful number, since it uses less digits than its factorization.

285067449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31674167 (or 31674164 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 285067449 is about 16883.9405649274. The cubic root of 285067449 is about 658.1363472095.

The spelling of 285067449 in words is "two hundred eighty-five million, sixty-seven thousand, four hundred forty-nine".