284402668 has 24 divisors (see below), whose sum is σ = 548334864. Its totient is φ = 127992000.

The previous prime is 284402663. The next prime is 284402669. The reversal of 284402668 is 866204482.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 284402668.

It is not an unprimeable number, because it can be changed into a prime (284402663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27555 + ... + 36442.

It is an arithmetic number, because the mean of its divisors is an integer number (22847286).

Almost surely, 2^284402668 is an apocalyptic number.

It is an amenable number.

284402668 is a deficient number, since it is larger than the sum of its proper divisors (263932196).

284402668 is a wasteful number, since it uses less digits than its factorization.

284402668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64113 (or 64111 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 284402668 is about 16864.2422895308. The cubic root of 284402668 is about 657.6243548373.

The spelling of 284402668 in words is "two hundred eighty-four million, four hundred two thousand, six hundred sixty-eight".