284749161 has 8 divisors (see below), whose sum is σ = 380793504. Its totient is φ = 189268800.

The previous prime is 284749147. The next prime is 284749169. The reversal of 284749161 is 161947482.

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

It is not a de Polignac number, because 284749161 - 2⁷ = 284749033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284749169) 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, 139815 + ... + 141836.

It is an arithmetic number, because the mean of its divisors is an integer number (47599188).

Almost surely, 2^284749161 is an apocalyptic number.

It is an amenable number.

284749161 is a deficient number, since it is larger than the sum of its proper divisors (96044343).

284749161 is a wasteful number, since it uses less digits than its factorization.

284749161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281991.

The product of its digits is 96768, while the sum is 42.

The square root of 284749161 is about 16874.5121707266. The cubic root of 284749161 is about 657.8913117350.

The spelling of 284749161 in words is "two hundred eighty-four million, seven hundred forty-nine thousand, one hundred sixty-one".