284940198 has 12 divisors (see below), whose sum is σ = 617370468. Its totient is φ = 94980060.

The previous prime is 284940193. The next prime is 284940199. The reversal of 284940198 is 891049482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284940193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7914988 + ... + 7915023.

It is an arithmetic number, because the mean of its divisors is an integer number (51447539).

Almost surely, 2^284940198 is an apocalyptic number.

284940198 is an abundant number, since it is smaller than the sum of its proper divisors (332430270).

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

284940198 is a wasteful number, since it uses less digits than its factorization.

284940198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15830019 (or 15830016 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 284940198 is about 16880.1717408325. The cubic root of 284940198 is about 658.0384043389.

The spelling of 284940198 in words is "two hundred eighty-four million, nine hundred forty thousand, one hundred ninety-eight".