285673450 has 24 divisors (see below), whose sum is σ = 536623020. Its totient is φ = 113136000.

The previous prime is 285673441. The next prime is 285673469. The reversal of 285673450 is 54376582.

It can be written as a sum of positive squares in 6 ways, for example, as 256416169 + 29257281 = 16013^2 + 5409^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 23235 + ... + 33334.

Almost surely, 2^285673450 is an apocalyptic number.

285673450 is a deficient number, since it is larger than the sum of its proper divisors (250949570).

285673450 is a wasteful number, since it uses less digits than its factorization.

285673450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56682 (or 56677 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 285673450 is about 16901.8771146876. The cubic root of 285673450 is about 658.6023761035.

The spelling of 285673450 in words is "two hundred eighty-five million, six hundred seventy-three thousand, four hundred fifty".