284468913 has 24 divisors (see below), whose sum is σ = 429187200. Its totient is φ = 181380384.

The previous prime is 284468911. The next prime is 284468923. The reversal of 284468913 is 319864482.

It is a happy number.

It is not a de Polignac number, because 284468913 - 2¹ = 284468911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (284468911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12408 + ... + 26886.

It is an arithmetic number, because the mean of its divisors is an integer number (17882800).

Almost surely, 2^284468913 is an apocalyptic number.

It is an amenable number.

284468913 is a deficient number, since it is larger than the sum of its proper divisors (144718287).

284468913 is a wasteful number, since it uses less digits than its factorization.

284468913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581 (or 14578 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 284468913 is about 16866.2062420688. The cubic root of 284468913 is about 657.6754103163.

The spelling of 284468913 in words is "two hundred eighty-four million, four hundred sixty-eight thousand, nine hundred thirteen".