284689048 has 16 divisors (see below), whose sum is σ = 610048080. Its totient is φ = 122009568.

The previous prime is 284689043. The next prime is 284689051. The reversal of 284689048 is 840986482.

It is a super-2 number, since 2×284689048² = 162095708102292608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284688992 and 284689010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284689043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2541811 + ... + 2541922.

It is an arithmetic number, because the mean of its divisors is an integer number (38128005).

Almost surely, 2^284689048 is an apocalyptic number.

284689048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

284689048 is an abundant number, since it is smaller than the sum of its proper divisors (325359032).

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

284689048 is a wasteful number, since it uses less digits than its factorization.

284689048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083746 (or 5083742 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 284689048 is about 16872.7308992943. The cubic root of 284689048 is about 657.8450129698.

The spelling of 284689048 in words is "two hundred eighty-four million, six hundred eighty-nine thousand, forty-eight".