284696081 has 2 divisors, whose sum is σ = 284696082. Its totient is φ = 284696080.

The previous prime is 284696023. The next prime is 284696101. The reversal of 284696081 is 180696482.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282777856 + 1918225 = 16816^2 + 1385^2 .

It is a cyclic number.

It is not a de Polignac number, because 284696081 - 2¹⁸ = 284433937 is a prime.

It is a super-2 number, since 2×284696081² = 162103717073517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284696021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142348040 + 142348041.

It is an arithmetic number, because the mean of its divisors is an integer number (142348041).

Almost surely, 2^284696081 is an apocalyptic number.

It is an amenable number.

284696081 is a deficient number, since it is larger than the sum of its proper divisors (1).

284696081 is an equidigital number, since it uses as much as digits as its factorization.

284696081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165888, while the sum is 44.

The square root of 284696081 is about 16872.9393112166. The cubic root of 284696081 is about 657.8504300917.

The spelling of 284696081 in words is "two hundred eighty-four million, six hundred ninety-six thousand, eighty-one".