285242918 has 16 divisors (see below), whose sum is σ = 449474400. Its totient is φ = 135501696.

The previous prime is 285242917. The next prime is 285242933. The reversal of 285242918 is 819242582.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285242917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13955 + ... + 27662.

It is an arithmetic number, because the mean of its divisors is an integer number (28092150).

Almost surely, 2^285242918 is an apocalyptic number.

285242918 is a deficient number, since it is larger than the sum of its proper divisors (164231482).

285242918 is a wasteful number, since it uses less digits than its factorization.

285242918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41791.

The product of its digits is 92160, while the sum is 41.

The square root of 285242918 is about 16889.1360939510. The cubic root of 285242918 is about 658.2713548375.

The spelling of 285242918 in words is "two hundred eighty-five million, two hundred forty-two thousand, nine hundred eighteen".