285950250 has 128 divisors (see below), whose sum is σ = 804360960. Its totient is φ = 76107600.

The previous prime is 285950243. The next prime is 285950263. The reversal of 285950250 is 52059582.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 546489 + ... + 547011.

It is an arithmetic number, because the mean of its divisors is an integer number (6284070).

Almost surely, 2^285950250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 285950250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402180480).

285950250 is an abundant number, since it is smaller than the sum of its proper divisors (518410710).

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

285950250 is an frugal number, since it uses more digits than its factorization.

285950250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561 (or 533 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 285950250 is about 16910.0635717315. The cubic root of 285950250 is about 658.8150225008.

The spelling of 285950250 in words is "two hundred eighty-five million, nine hundred fifty thousand, two hundred fifty".