284480551 has 6 divisors (see below), whose sum is σ = 287033240. Its totient is φ = 281950368.

The previous prime is 284480549. The next prime is 284480587. The reversal of 284480551 is 155084482.

It is not a de Polignac number, because 284480551 - 2¹ = 284480549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 284480551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284280551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1630 + ... + 23908.

Almost surely, 2^284480551 is an apocalyptic number.

284480551 is a deficient number, since it is larger than the sum of its proper divisors (2552689).

284480551 is an equidigital number, since it uses as much as digits as its factorization.

284480551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22505 (or 22392 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 284480551 is about 16866.5512479582. The cubic root of 284480551 is about 657.6843789847.

The spelling of 284480551 in words is "two hundred eighty-four million, four hundred eighty thousand, five hundred fifty-one".