118285806 has 16 divisors (see below), whose sum is σ = 239230800. Its totient is φ = 38985408.

The previous prime is 118285789. The next prime is 118285823. The reversal of 118285806 is 608582811.

It is an interprime number because it is at equal distance from previous prime (118285789) and next prime (118285823).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110221 + ... + 111288.

It is an arithmetic number, because the mean of its divisors is an integer number (14951925).

Almost surely, 2^118285806 is an apocalyptic number.

118285806 is an abundant number, since it is smaller than the sum of its proper divisors (120944994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118285806 is a wasteful number, since it uses less digits than its factorization.

118285806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221603.

The product of its (nonzero) digits is 30720, while the sum is 39.

The square root of 118285806 is about 10875.9278224894. The cubic root of 118285806 is about 490.8824940759.

The spelling of 118285806 in words is "one hundred eighteen million, two hundred eighty-five thousand, eight hundred six".