284913091 has 2 divisors, whose sum is σ = 284913092. Its totient is φ = 284913090.

The previous prime is 284913077. The next prime is 284913103. The reversal of 284913091 is 190319482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 284913091 - 2⁷ = 284912963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 284913091.

It is not a weakly prime, because it can be changed into another prime (284913691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142456545 + 142456546.

It is an arithmetic number, because the mean of its divisors is an integer number (142456546).

Almost surely, 2^284913091 is an apocalyptic number.

284913091 is a deficient number, since it is larger than the sum of its proper divisors (1).

284913091 is an equidigital number, since it uses as much as digits as its factorization.

284913091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 284913091 is about 16879.3687974403. The cubic root of 284913091 is about 658.0175367874.

The spelling of 284913091 in words is "two hundred eighty-four million, nine hundred thirteen thousand, ninety-one".