285725190 has 32 divisors (see below), whose sum is σ = 686939616. Its totient is φ = 76060160.

The previous prime is 285725183. The next prime is 285725227. The reversal of 285725190 is 91527582.

285725190 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×285725190² = 163277768401072200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9760 + ... + 25820.

It is an arithmetic number, because the mean of its divisors is an integer number (21466863).

Almost surely, 2^285725190 is an apocalyptic number.

285725190 is an abundant number, since it is smaller than the sum of its proper divisors (401214426).

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

285725190 is a wasteful number, since it uses less digits than its factorization.

285725190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16664.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 285725190 is about 16903.4076446141. The cubic root of 285725190 is about 658.6421348209.

The spelling of 285725190 in words is "two hundred eighty-five million, seven hundred twenty-five thousand, one hundred ninety".