285072214 has 8 divisors (see below), whose sum is σ = 488695248. Its totient is φ = 122173800.

The previous prime is 285072209. The next prime is 285072239. The reversal of 285072214 is 412270582.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10181137 + ... + 10181164.

It is an arithmetic number, because the mean of its divisors is an integer number (61086906).

Almost surely, 2^285072214 is an apocalyptic number.

285072214 is a deficient number, since it is larger than the sum of its proper divisors (203623034).

285072214 is a wasteful number, since it uses less digits than its factorization.

285072214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20362310.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 285072214 is about 16884.0816747610. The cubic root of 285072214 is about 658.1400141806.

The spelling of 285072214 in words is "two hundred eighty-five million, seventy-two thousand, two hundred fourteen".