285254470 has 16 divisors (see below), whose sum is σ = 514367568. Its totient is φ = 113899680.

The previous prime is 285254449. The next prime is 285254471. The reversal of 285254470 is 74452582.

It is a happy number.

It is a super-2 number, since 2×285254470² = 162740225309961800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285254471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19269 + ... + 30688.

It is an arithmetic number, because the mean of its divisors is an integer number (32147973).

Almost surely, 2^285254470 is an apocalyptic number.

285254470 is a deficient number, since it is larger than the sum of its proper divisors (229113098).

285254470 is a wasteful number, since it uses less digits than its factorization.

285254470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50535.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 285254470 is about 16889.4780854827. The cubic root of 285254470 is about 658.2802411207.

The spelling of 285254470 in words is "two hundred eighty-five million, two hundred fifty-four thousand, four hundred seventy".