1918108 has 12 divisors (see below), whose sum is σ = 3502800. Its totient is φ = 917312.

The previous prime is 1918097. The next prime is 1918121. The reversal of 1918108 is 8018191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10333 + ... + 10516.

It is an arithmetic number, because the mean of its divisors is an integer number (291900).

2^1918108 is an apocalyptic number.

It is an amenable number.

1918108 is a deficient number, since it is larger than the sum of its proper divisors (1584692).

1918108 is a wasteful number, since it uses less digits than its factorization.

1918108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20876 (or 20874 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The square root of 1918108 is about 1384.9577610888. The cubic root of 1918108 is about 124.2484612381.

The spelling of 1918108 in words is "one million, nine hundred eighteen thousand, one hundred eight".