1905116 has 6 divisors (see below), whose sum is σ = 3333960. Its totient is φ = 952556.

The previous prime is 1905109. The next prime is 1905121. The reversal of 1905116 is 6115091.

It is a junction number, because it is equal to n+sod(n) for n = 1905091 and 1905100.

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 as a sum of consecutive naturals, namely, 238136 + ... + 238143.

It is an arithmetic number, because the mean of its divisors is an integer number (555660).

2^1905116 is an apocalyptic number.

It is an amenable number.

1905116 is a deficient number, since it is larger than the sum of its proper divisors (1428844).

1905116 is a wasteful number, since it uses less digits than its factorization.

1905116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476283 (or 476281 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 23.

The square root of 1905116 is about 1380.2593959108. The cubic root of 1905116 is about 123.9672997367.

The spelling of 1905116 in words is "one million, nine hundred five thousand, one hundred sixteen".