284877361 has 2 divisors, whose sum is σ = 284877362. Its totient is φ = 284877360.

The previous prime is 284877343. The next prime is 284877377. The reversal of 284877361 is 163778482.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 269977761 + 14899600 = 16431^2 + 3860^2 .

It is a cyclic number.

It is not a de Polignac number, because 284877361 - 2²¹ = 282780209 is a prime.

It is a super-2 number, since 2×284877361² = 162310221620648642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (284877301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142438680 + 142438681.

It is an arithmetic number, because the mean of its divisors is an integer number (142438681).

Almost surely, 2^284877361 is an apocalyptic number.

It is an amenable number.

284877361 is a deficient number, since it is larger than the sum of its proper divisors (1).

284877361 is an equidigital number, since it uses as much as digits as its factorization.

284877361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 451584, while the sum is 46.

The square root of 284877361 is about 16878.3103715982. The cubic root of 284877361 is about 657.9900290430.

The spelling of 284877361 in words is "two hundred eighty-four million, eight hundred seventy-seven thousand, three hundred sixty-one".