285928314 has 32 divisors (see below), whose sum is σ = 674635776. Its totient is φ = 79058160.

The previous prime is 285928303. The next prime is 285928319. The reversal of 285928314 is 413829582.

It is a super-5 number, since 5×285928314⁵ (a number of 43 digits) contains 55555 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (285928319) 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, 108502 + ... + 111105.

It is an arithmetic number, because the mean of its divisors is an integer number (21082368).

Almost surely, 2^285928314 is an apocalyptic number.

285928314 is an abundant number, since it is smaller than the sum of its proper divisors (388707462).

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

285928314 is a wasteful number, since it uses less digits than its factorization.

285928314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219650.

The product of its digits is 138240, while the sum is 42.

The square root of 285928314 is about 16909.4149514405. The cubic root of 285928314 is about 658.7981755890.

The spelling of 285928314 in words is "two hundred eighty-five million, nine hundred twenty-eight thousand, three hundred fourteen".