285490630 has 8 divisors (see below), whose sum is σ = 513883152. Its totient is φ = 114196248.

The previous prime is 285490619. The next prime is 285490633. The reversal of 285490630 is 36094582.

285490630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 285490630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285490633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14274522 + ... + 14274541.

It is an arithmetic number, because the mean of its divisors is an integer number (64235394).

Almost surely, 2^285490630 is an apocalyptic number.

285490630 is a deficient number, since it is larger than the sum of its proper divisors (228392522).

285490630 is a wasteful number, since it uses less digits than its factorization.

285490630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28549070.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 285490630 is about 16896.4679741063. The cubic root of 285490630 is about 658.4618527419.

The spelling of 285490630 in words is "two hundred eighty-five million, four hundred ninety thousand, six hundred thirty".