284185012 has 24 divisors (see below), whose sum is σ = 511503104. Its totient is φ = 138052512.

The previous prime is 284185003. The next prime is 284185067. The reversal of 284185012 is 210581482.

It is a super-2 number, since 2×284185012² = 161522242090880288, 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 in 7 ways as a sum of consecutive naturals, for example, 195673 + ... + 197119.

Almost surely, 2^284185012 is an apocalyptic number.

It is an amenable number.

284185012 is a deficient number, since it is larger than the sum of its proper divisors (227318092).

284185012 is a wasteful number, since it uses less digits than its factorization.

284185012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 284185012 is about 16857.7878738582. The cubic root of 284185012 is about 657.4565500161.

The spelling of 284185012 in words is "two hundred eighty-four million, one hundred eighty-five thousand, twelve".