284406664 has 16 divisors (see below), whose sum is σ = 534053520. Its totient is φ = 141992400.

The previous prime is 284406643. The next prime is 284406667. The reversal of 284406664 is 466604482.

It is not an unprimeable number, because it can be changed into a prime (284406667) 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, 20562 + ... + 31489.

It is an arithmetic number, because the mean of its divisors is an integer number (33378345).

Almost surely, 2^284406664 is an apocalyptic number.

It is an amenable number.

284406664 is a deficient number, since it is larger than the sum of its proper divisors (249646856).

284406664 is a wasteful number, since it uses less digits than its factorization.

284406664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52740 (or 52736 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 40.

The square root of 284406664 is about 16864.3607646421. The cubic root of 284406664 is about 657.6274348067.

The spelling of 284406664 in words is "two hundred eighty-four million, four hundred six thousand, six hundred sixty-four".