284955649 has 16 divisors (see below), whose sum is σ = 331024320. Its totient is φ = 242421760.

The previous prime is 284955631. The next prime is 284955667. The reversal of 284955649 is 946559482.

It is an interprime number because it is at equal distance from previous prime (284955631) and next prime (284955667).

It is a cyclic number.

It is not a de Polignac number, because 284955649 - 2⁹ = 284955137 is a prime.

It is a super-2 number, since 2×284955649² = 162399443794022402, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 284955596 and 284955605.

It is not an unprimeable number, because it can be changed into a prime (284955679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29217 + ... + 37729.

It is an arithmetic number, because the mean of its divisors is an integer number (20689020).

Almost surely, 2^284955649 is an apocalyptic number.

It is an amenable number.

284955649 is a deficient number, since it is larger than the sum of its proper divisors (46068671).

284955649 is a wasteful number, since it uses less digits than its factorization.

284955649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720.

The product of its digits is 3110400, while the sum is 52.

The square root of 284955649 is about 16880.6294017729. The cubic root of 284955649 is about 658.0502982587.

The spelling of 284955649 in words is "two hundred eighty-four million, nine hundred fifty-five thousand, six hundred forty-nine".