284328925 has 12 divisors (see below), whose sum is σ = 355994080. Its totient is φ = 225252720.

The previous prime is 284328917. The next prime is 284328929. The reversal of 284328925 is 529823482.

It is not a de Polignac number, because 284328925 - 2³ = 284328917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284328929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52635 + ... + 57784.

Almost surely, 2^284328925 is an apocalyptic number.

284328925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

284328925 is a deficient number, since it is larger than the sum of its proper divisors (71665155).

284328925 is a wasteful number, since it uses less digits than its factorization.

284328925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110532 (or 110527 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 284328925 is about 16862.0557762095. The cubic root of 284328925 is about 657.5675112720.

The spelling of 284328925 in words is "two hundred eighty-four million, three hundred twenty-eight thousand, nine hundred twenty-five".