85840366 has 16 divisors (see below), whose sum is σ = 136258560. Its totient is φ = 40444920.

The previous prime is 85840357. The next prime is 85840367. The reversal of 85840366 is 66304858.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85840367) 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, 1345 + ... + 13171.

It is an arithmetic number, because the mean of its divisors is an integer number (8516160).

Almost surely, 2^85840366 is an apocalyptic number.

85840366 is a deficient number, since it is larger than the sum of its proper divisors (50418194).

85840366 is a wasteful number, since it uses less digits than its factorization.

85840366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12039.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 85840366 is about 9265.0076092791. The cubic root of 85840366 is about 441.1272165172.

The spelling of 85840366 in words is "eighty-five million, eight hundred forty thousand, three hundred sixty-six".