285273334 has 16 divisors (see below), whose sum is σ = 451051200. Its totient is φ = 134943624.

The previous prime is 285273323. The next prime is 285273371. The reversal of 285273334 is 433372582.

It is a junction number, because it is equal to n+sod(n) for n = 285273293 and 285273302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25137 + ... + 34675.

It is an arithmetic number, because the mean of its divisors is an integer number (28190700).

Almost surely, 2^285273334 is an apocalyptic number.

285273334 is a deficient number, since it is larger than the sum of its proper divisors (165777866).

285273334 is a wasteful number, since it uses less digits than its factorization.

285273334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10347.

The product of its digits is 120960, while the sum is 37.

The square root of 285273334 is about 16890.0365304519. The cubic root of 285273334 is about 658.2947515854.

The spelling of 285273334 in words is "two hundred eighty-five million, two hundred seventy-three thousand, three hundred thirty-four".