284080656 has 40 divisors (see below), whose sum is σ = 744220224. Its totient is φ = 93358720.

The previous prime is 284080651. The next prime is 284080669. The reversal of 284080656 is 656080482.

It is a super-2 number, since 2×284080656² = 161403638226780672, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (284080651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38271 + ... + 45086.

Almost surely, 2^284080656 is an apocalyptic number.

It is an amenable number.

284080656 is an abundant number, since it is smaller than the sum of its proper divisors (460139568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

284080656 is a wasteful number, since it uses less digits than its factorization.

284080656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83439 (or 83433 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 284080656 is about 16854.6924030075. The cubic root of 284080656 is about 657.3760649651.

The spelling of 284080656 in words is "two hundred eighty-four million, eighty thousand, six hundred fifty-six".