284997849 has 8 divisors (see below), whose sum is σ = 392255232. Its totient is φ = 183869520.

The previous prime is 284997841. The next prime is 284997863. The reversal of 284997849 is 948799482.

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

It is not a de Polignac number, because 284997849 - 2³ = 284997841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 284997792 and 284997801.

It is not an unprimeable number, because it can be changed into a prime (284997841) 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, 1532154 + ... + 1532339.

It is an arithmetic number, because the mean of its divisors is an integer number (49031904).

Almost surely, 2^284997849 is an apocalyptic number.

It is an amenable number.

284997849 is a deficient number, since it is larger than the sum of its proper divisors (107257383).

284997849 is a wasteful number, since it uses less digits than its factorization.

284997849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3064527.

The product of its digits is 10450944, while the sum is 60.

The square root of 284997849 is about 16881.8793088921. The cubic root of 284997849 is about 658.0827809181.

The spelling of 284997849 in words is "two hundred eighty-four million, nine hundred ninety-seven thousand, eight hundred forty-nine".