284997841 has 2 divisors, whose sum is σ = 284997842. Its totient is φ = 284997840.

The previous prime is 284997829. The next prime is 284997863. The reversal of 284997841 is 148799482.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 277922241 + 7075600 = 16671^2 + 2660^2 .

It is a cyclic number.

It is not a de Polignac number, because 284997841 - 2²³ = 276609233 is a prime.

It is a super-2 number, since 2×284997841² = 162447538749322562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284997871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142498920 + 142498921.

It is an arithmetic number, because the mean of its divisors is an integer number (142498921).

Almost surely, 2^284997841 is an apocalyptic number.

It is an amenable number.

284997841 is a deficient number, since it is larger than the sum of its proper divisors (1).

284997841 is an equidigital number, since it uses as much as digits as its factorization.

284997841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 52.

The square root of 284997841 is about 16881.8790719517. The cubic root of 284997841 is about 658.0827747605.

The spelling of 284997841 in words is "two hundred eighty-four million, nine hundred ninety-seven thousand, eight hundred forty-one".