284625016 has 128 divisors (see below), whose sum is σ = 660744000. Its totient is φ = 113467392.

The previous prime is 284625007. The next prime is 284625031. The reversal of 284625016 is 610526482.

It is a super-2 number, since 2×284625016² = 162022799466000512, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1242790 + ... + 1243018.

Almost surely, 2^284625016 is an apocalyptic number.

284625016 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 284625016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330372000).

284625016 is an abundant number, since it is smaller than the sum of its proper divisors (376118984).

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

284625016 is a wasteful number, since it uses less digits than its factorization.

284625016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 317 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 284625016 is about 16870.8332929942. The cubic root of 284625016 is about 657.7956886389.

The spelling of 284625016 in words is "two hundred eighty-four million, six hundred twenty-five thousand, sixteen".