284398900 has 36 divisors (see below), whose sum is σ = 618245152. Its totient is φ = 113556960.

The previous prime is 284398889. The next prime is 284398903. The reversal of 284398900 is 9893482.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284398903) 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, 62089 + ... + 66511.

Almost surely, 2^284398900 is an apocalyptic number.

284398900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

284398900 is an abundant number, since it is smaller than the sum of its proper divisors (333846252).

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

284398900 is a wasteful number, since it uses less digits than its factorization.

284398900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080 (or 5073 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 284398900 is about 16864.1305734983. The cubic root of 284398900 is about 657.6214505753.

The spelling of 284398900 in words is "two hundred eighty-four million, three hundred ninety-eight thousand, nine hundred".