2018906 has 8 divisors (see below), whose sum is σ = 3126144. Its totient is φ = 976860.

The previous prime is 2018899. The next prime is 2018927. The reversal of 2018906 is 6098102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16220 + ... + 16343.

It is an arithmetic number, because the mean of its divisors is an integer number (390768).

2^2018906 is an apocalyptic number.

2018906 is a deficient number, since it is larger than the sum of its proper divisors (1107238).

2018906 is a wasteful number, since it uses less digits than its factorization.

2018906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32596.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 2018906 is about 1420.8821203745. The cubic root of 2018906 is about 126.3878616902.

The spelling of 2018906 in words is "two million, eighteen thousand, nine hundred six".