284523480 has 96 divisors (see below), whose sum is σ = 973393200. Its totient is φ = 71877888.

The previous prime is 284523469. The next prime is 284523497. The reversal of 284523480 is 84325482.

It is a super-2 number, since 2×284523480² = 161907221342620800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13959 + ... + 27638.

Almost surely, 2^284523480 is an apocalyptic number.

284523480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284523480 is an abundant number, since it is smaller than the sum of its proper divisors (688869720).

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

284523480 is a wasteful number, since it uses less digits than its factorization.

284523480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41633 (or 41626 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 284523480 is about 16867.8238074744. The cubic root of 284523480 is about 657.7174595269.

The spelling of 284523480 in words is "two hundred eighty-four million, five hundred twenty-three thousand, four hundred eighty".