284378099 has 2 divisors, whose sum is σ = 284378100. Its totient is φ = 284378098.

The previous prime is 284378093. The next prime is 284378123. The reversal of 284378099 is 990873482.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 284378099 - 2¹² = 284374003 is a prime.

It is not a weakly prime, because it can be changed into another prime (284378093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142189049 + 142189050.

It is an arithmetic number, because the mean of its divisors is an integer number (142189050).

Almost surely, 2^284378099 is an apocalyptic number.

284378099 is a deficient number, since it is larger than the sum of its proper divisors (1).

284378099 is an equidigital number, since it uses as much as digits as its factorization.

284378099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 50.

The square root of 284378099 is about 16863.5138390550. The cubic root of 284378099 is about 657.6054173238.

The spelling of 284378099 in words is "two hundred eighty-four million, three hundred seventy-eight thousand, ninety-nine".