285065004 has 48 divisors (see below), whose sum is σ = 761347328. Its totient is φ = 81321408.

The previous prime is 285065003. The next prime is 285065021. The reversal of 285065004 is 400560582.

It is not an unprimeable number, because it can be changed into a prime (285065003) 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, 61347 + ... + 65829.

Almost surely, 2^285065004 is an apocalyptic number.

It is an amenable number.

285065004 is an abundant number, since it is smaller than the sum of its proper divisors (476282324).

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

285065004 is a wasteful number, since it uses less digits than its factorization.

285065004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254 (or 5252 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 285065004 is about 16883.8681586892. The cubic root of 285065004 is about 658.1344656104.

The spelling of 285065004 in words is "two hundred eighty-five million, sixty-five thousand, four".