85842394 has 16 divisors (see below), whose sum is σ = 146577600. Its totient is φ = 37322560.

The previous prime is 85842391. The next prime is 85842403. The reversal of 85842394 is 49324858.

It is a self number, because there is not a number n which added to its sum of digits gives 85842394.

It is not an unprimeable number, because it can be changed into a prime (85842391) 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, 84319 + ... + 85330.

It is an arithmetic number, because the mean of its divisors is an integer number (9161100).

Almost surely, 2^85842394 is an apocalyptic number.

85842394 is a deficient number, since it is larger than the sum of its proper divisors (60735206).

85842394 is a wasteful number, since it uses less digits than its factorization.

85842394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169685.

The product of its digits is 276480, while the sum is 43.

The square root of 85842394 is about 9265.1170526875. The cubic root of 85842394 is about 441.1306904033.

The spelling of 85842394 in words is "eighty-five million, eight hundred forty-two thousand, three hundred ninety-four".