85994018 has 32 divisors (see below), whose sum is σ = 144365760. Its totient is φ = 38088000.

The previous prime is 85993997. The next prime is 85994039. The reversal of 85994018 is 81049958.

It is an interprime number because it is at equal distance from previous prime (85993997) and next prime (85994039).

It is a super-2 number, since 2×85994018² = 14789942263568648, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 85994018.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186308 + ... + 186768.

It is an arithmetic number, because the mean of its divisors is an integer number (4511430).

Almost surely, 2^85994018 is an apocalyptic number.

85994018 is a deficient number, since it is larger than the sum of its proper divisors (58371742).

85994018 is a wasteful number, since it uses less digits than its factorization.

85994018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 103680, while the sum is 44.

The square root of 85994018 is about 9273.2959620622. The cubic root of 85994018 is about 441.3902616745.

It can be divided in two parts, 859940 and 18, that added together give a palindrome (859958).

The spelling of 85994018 in words is "eighty-five million, nine hundred ninety-four thousand, eighteen".