1908106 has 16 divisors (see below), whose sum is σ = 2985984. Its totient is φ = 913744.

The previous prime is 1908091. The next prime is 1908121. The reversal of 1908106 is 6018091.

It is an interprime number because it is at equal distance from previous prime (1908091) and next prime (1908121).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4791 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (186624).

2^1908106 is an apocalyptic number.

1908106 is a deficient number, since it is larger than the sum of its proper divisors (1077878).

1908106 is a wasteful number, since it uses less digits than its factorization.

1908106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 1908106 is about 1381.3421010018. The cubic root of 1908106 is about 124.0321196710.

Subtracting from 1908106 its sum of digits (25), we obtain a triangular number (1908081 = T₁₉₅₃).

The spelling of 1908106 in words is "one million, nine hundred eight thousand, one hundred six".