284802849 has 12 divisors (see below), whose sum is σ = 412444500. Its totient is φ = 189378144.

The previous prime is 284802829. The next prime is 284802893. The reversal of 284802849 is 948208482.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24206400 + 260596449 = 4920^2 + 16143^2 .

It is not a de Polignac number, because 284802849 - 2⁸ = 284802593 is a prime.

It is a super-2 number, since 2×284802849² = 162225325597033602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (284802829) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37174 + ... + 44175.

It is an arithmetic number, because the mean of its divisors is an integer number (34370375).

Almost surely, 2^284802849 is an apocalyptic number.

It is an amenable number.

284802849 is a deficient number, since it is larger than the sum of its proper divisors (127641651).

284802849 is a wasteful number, since it uses less digits than its factorization.

284802849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81744 (or 81741 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The square root of 284802849 is about 16876.1028972924. The cubic root of 284802849 is about 657.9326564856.

It can be divided in two parts, 28480 and 2849, that added together give a square (31329 = 177²).

The spelling of 284802849 in words is "two hundred eighty-four million, eight hundred two thousand, eight hundred forty-nine".