285119028 has 60 divisors (see below), whose sum is σ = 769428352. Its totient is φ = 91970640.

The previous prime is 285118991. The next prime is 285119083. The reversal of 285119028 is 820911582.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 285118983 and 285119001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4150 + ... + 24237.

Almost surely, 2^285119028 is an apocalyptic number.

It is an amenable number.

285119028 is an abundant number, since it is smaller than the sum of its proper divisors (484309324).

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

285119028 is a wasteful number, since it uses less digits than its factorization.

285119028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28434 (or 28423 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 285119028 is about 16885.4679532431. The cubic root of 285119028 is about 658.1760383629.

The spelling of 285119028 in words is "two hundred eighty-five million, one hundred nineteen thousand, twenty-eight".