284893485 has 16 divisors (see below), whose sum is σ = 463303680. Its totient is φ = 149451840.

The previous prime is 284893481. The next prime is 284893487. The reversal of 284893485 is 584398482.

It is not a de Polignac number, because 284893485 - 2² = 284893481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (284893481) 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, 154765 + ... + 156594.

It is an arithmetic number, because the mean of its divisors is an integer number (28956480).

Almost surely, 2^284893485 is an apocalyptic number.

It is an amenable number.

284893485 is a deficient number, since it is larger than the sum of its proper divisors (178410195).

284893485 is a wasteful number, since it uses less digits than its factorization.

284893485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311428.

The product of its digits is 2211840, while the sum is 51.

The square root of 284893485 is about 16878.7880192862. The cubic root of 284893485 is about 658.0024428422.

The spelling of 284893485 in words is "two hundred eighty-four million, eight hundred ninety-three thousand, four hundred eighty-five".