1985104 has 20 divisors (see below), whose sum is σ = 4196160. Its totient is φ = 902240.

The previous prime is 1985077. The next prime is 1985167. The reversal of 1985104 is 4015891.

It is a happy number.

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, 5464 + ... + 5815.

It is an arithmetic number, because the mean of its divisors is an integer number (209808).

2^1985104 is an apocalyptic number.

It is an amenable number.

1985104 is an abundant number, since it is smaller than the sum of its proper divisors (2211056).

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

1985104 is a wasteful number, since it uses less digits than its factorization.

1985104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298 (or 11292 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1985104 is about 1408.9371880960. The cubic root of 1985104 is about 125.6785287917.

The spelling of 1985104 in words is "one million, nine hundred eighty-five thousand, one hundred four".