284868148 has 6 divisors (see below), whose sum is σ = 498519266. Its totient is φ = 142434072.

The previous prime is 284868139. The next prime is 284868161. The reversal of 284868148 is 841868482.

It is a happy number.

284868148 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 284529424 + 338724 = 16868^2 + 582^2 .

It is a super-2 number, since 2×284868148² = 162299723489899808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35608515 + ... + 35608522.

Almost surely, 2^284868148 is an apocalyptic number.

It is an amenable number.

284868148 is a deficient number, since it is larger than the sum of its proper divisors (213651118).

284868148 is a wasteful number, since it uses less digits than its factorization.

284868148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71217041 (or 71217039 counting only the distinct ones).

The product of its digits is 786432, while the sum is 49.

The square root of 284868148 is about 16878.0374451534. The cubic root of 284868148 is about 657.9829357831.

The spelling of 284868148 in words is "two hundred eighty-four million, eight hundred sixty-eight thousand, one hundred forty-eight".