284876428 has 12 divisors (see below), whose sum is σ = 499232160. Its totient is φ = 142238672.

The previous prime is 284876407. The next prime is 284876461. The reversal of 284876428 is 824678482.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46651 + ... + 52402.

It is an arithmetic number, because the mean of its divisors is an integer number (41602680).

Almost surely, 2^284876428 is an apocalyptic number.

It is an amenable number.

284876428 is a deficient number, since it is larger than the sum of its proper divisors (214355732).

284876428 is a wasteful number, since it uses less digits than its factorization.

284876428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99776 (or 99774 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 49.

The square root of 284876428 is about 16878.2827325531. The cubic root of 284876428 is about 657.9893107159.

The spelling of 284876428 in words is "two hundred eighty-four million, eight hundred seventy-six thousand, four hundred twenty-eight".