285734000 has 40 divisors (see below), whose sum is σ = 690909648. Its totient is φ = 114292800.

The previous prime is 285733993. The next prime is 285734003. The reversal of 285734000 is 437582.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285734003) by changing a digit.

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, 69434 + ... + 73433.

Almost surely, 2^285734000 is an apocalyptic number.

285734000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

285734000 is an abundant number, since it is smaller than the sum of its proper divisors (405175648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

285734000 is a wasteful number, since it uses less digits than its factorization.

285734000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142890 (or 142874 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 285734000 is about 16903.6682409470. The cubic root of 285734000 is about 658.6489042363.

The spelling of 285734000 in words is "two hundred eighty-five million, seven hundred thirty-four thousand".